Fix typo in example bundle.yaml (#289)

* Fix typo in example bundle.yaml

* change field names

I checked the source and this is what it expects

* change runCommand to string

* format as yaml for readability

---------

Co-authored-by: Yuangwang <[email protected]>

Author: jhuleatt

README.md

@@ -108,16 +108,12 @@ interface Metadata {
 | `framework` | `string` | Name of the framework that is being supported | y |
 | `frameworkVersion` | `string` |Version of the framework that is being supported | n |
 
-Here is a sample `bundle.yaml` file putting all this together:
-
-```
-> cat .apphosting/bundle.yaml
+Here is a sample `.apphosting/bundle.yaml` file putting all this together:
 
+```yaml
 version: v1
 runConfig:
-  runCommand:
-    - node
-    - dist/index.js
+  runCommand: 'node dist/index.js'
   environmentVariables:
     - variable: VAR
       value: 8080
@@ -129,11 +125,10 @@ runConfig:
   maxInstances: 14
 
 metadata:
-  adapterNpmPackageName: npm-name
+  adapterPackageName: npm-name
   adapterVersion: 12.0.0
-  frameworkNpmPackageName: framework-name
-  adapterVersion: 1.0.0
-
+  framework: framework-name
+  frameworkVersion: 1.0.0
 ```
 
 As long as you have the `bundle.yaml` in this format, App Hosting will be able to deploy any framework that supports server side rendering.