Fix code links for Request Flow Processing

Author: SubrataBauri

2. Request Flow Processing/1. Utilize modes and application initialization.md

@@ -1,19 +1,19 @@
 # Utilize modes and application initialization
 
 ## Identify the steps for application initialization.
-[app/bootstrap.php](https://github.com/magento/magento2/blob/2.3-develop/app/bootstrap.php):
+[app/bootstrap.php](https://github.com/magento/magento2/blob/2.3/app/bootstrap.php):
 
 - composer autoloader, functions, umask, timezone UTC, php precision
 
-[\Magento\Framework\App\Bootstrap](https://github.com/magento/magento2/blob/2.3-develop/lib/internal/Magento/Framework/App/Bootstrap.php)::*create*
+[\Magento\Framework\App\Bootstrap](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Bootstrap.php)::*create*
 
 - configure autoloader - PSR-4 prepend generation\Magento
 
-[\Magento\Framework\App\Bootstrap](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Bootstrap.php)::*createApplication*
+[\Magento\Framework\App\Bootstrap](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Bootstrap.php)::*createApplication*
 
 - just call object manager->create
 
-[\Magento\Framework\App\Bootstrap](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Bootstrap.php)::*run*
+[\Magento\Framework\App\Bootstrap](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Bootstrap.php)::*run*
 
 - set error handler
 - assert maintenance
@@ -27,30 +27,30 @@
 
 ### Application class
 
-[bootstrap->createApplication()](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Bootstrap.php#L230) 
+[bootstrap->createApplication()](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Bootstrap.php#L230) 
 
-  - [\Magento\Framework\App\Http](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Http.php) - index.php, pub/index.php
+  - [\Magento\Framework\App\Http](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Http.php) - index.php, pub/index.php
     load config area by front name
     front controller->dispatch
     event `controller_front_send_response_before`
 
-  - [\Magento\Framework\App\Cron](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Cron.php) - pub/cron.php
+  - [\Magento\Framework\App\Cron](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Cron.php) - pub/cron.php
     config area `crontab`
     load translations
     dispatch event `default`
 
-  - [\Magento\MediaStorage\App\Media](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/MediaStorage/App/Media.php) - pub/get.php
+  - [\Magento\MediaStorage\App\Media](https://github.com/magento/magento2/blob/2.3/app/code/Magento/MediaStorage/App/Media.php) - pub/get.php
     access /media/* when using DB image storage and physical file doesn't exist
 
-  - [\Magento\Framework\App\StaticResource](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/StaticResource.php) - pub/static.php
+  - [\Magento\Framework\App\StaticResource](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/StaticResource.php) - pub/static.php
     404 in production
     /$area/$resource/$file/... params, load config by params
     sends file in response
     assetRepo->createAsset - \Magento\Framework\View\Asset\File
     assetPublisher->publish - materialize (copy/symlink) file if doesn't exist
 
-  - [\Magento\Indexer\App\Indexer](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/Indexer/App/Indexer.php) - module-indexer, unused?
-  - [\Magento\Backend\App\UserConfig](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/Backend/App/UserConfig.php) - module-backend, unused?
+  - [\Magento\Indexer\App\Indexer](https://github.com/magento/magento2/blob/2.3/app/code/Magento/Indexer/App/Indexer.php) - module-indexer, unused?
+  - [\Magento\Backend\App\UserConfig](https://github.com/magento/magento2/blob/2.3/app/code/Magento/Backend/App/UserConfig.php) - module-backend, unused?
 
 Notes:
 
@@ -61,7 +61,7 @@ Notes:
 
 ### HTTP application
 
-[\Magento\Framework\App\Http::launch](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Http.php#L128)
+[\Magento\Framework\App\Http::launch](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Http.php#L128)
 1. detect config area by front name
 
 ```php
@@ -71,19 +71,19 @@ $this->_state->setAreaCode($areaCode);
 $this->_objectManager->configure($this->_configLoader->load($areaCode));
 ```
 
-`\Magento\Framework\App\AreaList` - areas from argument di.xml ([AreaList](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/AreaList.php))
+`\Magento\Framework\App\AreaList` - areas from argument di.xml ([AreaList](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/AreaList.php))
 
 - frontend = [frontname null, router "standard"] --- *default when nothing matched*
 - adminhtml - [frontNameResolver=..., router "admin"]
-  [\Magento\Backend\App\Area\FrontNameResolver::getFrontName(checkhost)](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/Backend/App/Area/FrontNameResolver.php#L83)
+  [\Magento\Backend\App\Area\FrontNameResolver::getFrontName(checkhost)](https://github.com/magento/magento2/blob/2.3/app/code/Magento/Backend/App/Area/FrontNameResolver.php#L83)
   system config `admin/url/use_custom`, `admin/url/custom`
 - crontab = null
 - webapi_rest = [frontName `/rest`]
 - webapi_soap = [frontname `/soap`]
 
-1. [ObjectManagerInterface->configure()](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/ObjectManager/ObjectManager.php#L82) - selected area code
+1. [ObjectManagerInterface->configure()](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/ObjectManager/ObjectManager.php#L82) - selected area code
 1. result = FrontControllerInterface->dispatch()
-1. [ResultInterface->renderResult()](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Controller/AbstractResult.php#L122) into response object
+1. [ResultInterface->renderResult()](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Controller/AbstractResult.php#L122) into response object
 1. event `controller_front_send_response_before` (request, response)
 
 
@@ -102,7 +102,7 @@ $this->_objectManager->configure($this->_configLoader->load($areaCode));
 - "webapi_rest (frontName `/rest`) - preference module-webapi/etc/webapi_rest/di.xml - *\Magento\Webapi\Controller\Rest*
 - "webapi_soap" (frontname `/soap`) - preference module-webapi/etc/webapi_soap/di.xml - *\Magento\Webapi\Controller\Soap*
 
-### [\Magento\Framework\App\FrontController](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/FrontController.php):
+### [\Magento\Framework\App\FrontController](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/FrontController.php):
 
 - routerList
 - action = router[].match
@@ -112,37 +112,37 @@ $this->_objectManager->configure($this->_configLoader->load($areaCode));
 ### Router match - action can be:
 
 - generic \Magento\Framework\App\ActionInterface::execute - not used?
-- [\Magento\Framework\App\Action\AbstractAction](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Action/AbstractAction.php)::dispatch - context, request, response, result factory, result redirect factory
+- [\Magento\Framework\App\Action\AbstractAction](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Action/AbstractAction.php)::dispatch - context, request, response, result factory, result redirect factory
 
 ### Dispatch/execute action - result can be:
 
-- [\Magento\Framework\Controller\ResultInterface](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Controller/ResultInterface.php) - renderResult, setHttpResponseCode, setHeader
+- [\Magento\Framework\Controller\ResultInterface](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Controller/ResultInterface.php) - renderResult, setHttpResponseCode, setHeader
 
     Implementations:
-    - [Result\Raw](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Controller/Result/Raw.php) -> Result\AbstractResult
-    - [Result\Json](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Controller/Result/Json.php) -> Result\AbstractResult
-    - [Result\Forward](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Controller/Result/Forward.php) -> Result\AbstractResult
-    - [\Magento\Framework\View\Result\Layout](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/View/Result/Layout.php) -> Result\AbstractResult
-    - [\Magento\Framework\View\Result\Page](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/View/Result/Page.php) -> \Magento\Framework\View\Result\Layout
-    - [Result\Redirect](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Controller/Result/Redirect.php) -> Result\AbstractResult
+    - [Result\Raw](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Controller/Result/Raw.php) -> Result\AbstractResult
+    - [Result\Json](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Controller/Result/Json.php) -> Result\AbstractResult
+    - [Result\Forward](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Controller/Result/Forward.php) -> Result\AbstractResult
+    - [\Magento\Framework\View\Result\Layout](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/View/Result/Layout.php) -> Result\AbstractResult
+    - [\Magento\Framework\View\Result\Page](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/View/Result/Page.php) -> \Magento\Framework\View\Result\Layout
+    - [Result\Redirect](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Controller/Result/Redirect.php) -> Result\AbstractResult
 
-- [\Magento\Framework\App\ResponseInterface](https://github.com/magento/magento2/blob/2.2-develop/lib/internal//Magento/Framework/App/ResponseInterface.php) - sendResponse
+- [\Magento\Framework\App\ResponseInterface](https://github.com/magento/magento2/blob/2.3/lib/internal//Magento/Framework/App/ResponseInterface.php) - sendResponse
 
     Implementations:
-    - [Console\Response](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/App/Console/Response.php)
-    - [\Magento\MediaStorage\Model\File\Storage\FileInterface](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/MediaStorage/Model/File/Storage/Response.php) -> \Magento\Framework\App\Response\Http
-    - [\Magento\Framework\HTTP\PhpEnvironment\Response](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/HTTP/PhpEnvironment/Response.php) -> \Zend\Http\PhpEnvironment\Response
-    - [\Magento\Framework\Webapi\Response](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Webapi/Response.php) -> \Magento\Framework\HTTP\PhpEnvironment\Response
-    - [\Magento\Framework\Webapi\Rest\Response](https://github.com/magento/magento2/blob/2.2-develop/lib/internal/Magento/Framework/Webapi/Rest/Response.php) -> \Magento\Framework\Webapi\Response
+    - [Console\Response](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/App/Console/Response.php)
+    - [\Magento\MediaStorage\Model\File\Storage\FileInterface](https://github.com/magento/magento2/blob/2.3/app/code/Magento/MediaStorage/Model/File/Storage/Response.php) -> \Magento\Framework\App\Response\Http
+    - [\Magento\Framework\HTTP\PhpEnvironment\Response](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/HTTP/PhpEnvironment/Response.php) -> \Zend\Http\PhpEnvironment\Response
+    - [\Magento\Framework\Webapi\Response](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Webapi/Response.php) -> \Magento\Framework\HTTP\PhpEnvironment\Response
+    - [\Magento\Framework\Webapi\Rest\Response](https://github.com/magento/magento2/blob/2.3/lib/internal/Magento/Framework/Webapi/Rest/Response.php) -> \Magento\Framework\Webapi\Response
 
-### [\Magento\Webapi\Controller\Rest](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/Webapi/Controller/Rest.php) -> \Magento\Framework\App\FrontControllerInterface:
+### [\Magento\Webapi\Controller\Rest](https://github.com/magento/magento2/blob/2.3/app/code/Magento/Webapi/Controller/Rest.php) -> \Magento\Framework\App\FrontControllerInterface:
 
-- preference for FrontController set in [etc/webapi_rest/di.xml](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/Webapi/etc/webapi_rest/di.xml#L32)
+- preference for FrontController set in [etc/webapi_rest/di.xml](https://github.com/magento/magento2/blob/2.3/app/code/Magento/Webapi/etc/webapi_rest/di.xml#L32)
 - process path [/$store]/... - specific store, [/all]/... - admin store (0), /... - default store
 - a. process schema request /schema
 - b. or process api request (resolve route, invoke route -> service class with params)
 
-### [\Magento\Webapi\Controller\Soap](https://github.com/magento/magento2/blob/2.2-develop/app/code/Magento/Webapi/Controller/Soap.php) -> \Magento\Framework\App\FrontControllerInterface:
+### [\Magento\Webapi\Controller\Soap](https://github.com/magento/magento2/blob/2.3/app/code/Magento/Webapi/Controller/Soap.php) -> \Magento\Framework\App\FrontControllerInterface:
 
 - process path (same as REST)
 - a. generate WSDL ?wsdl