Create appconfiguration ci (Azure#6963)

* adding appconfiguration ci.yml
* small update to the contributing doc

Author: scbedd

CONTRIBUTING.md

@@ -65,7 +65,7 @@ If at any time you want to blow away the tox created virtual environments and st
 
 Note that we didn't provide an `environment` argument for this example. Reason here is that the _default_ environment selected by our common `tox.ini` file is one that runs `pytest`.
 
-#### `*wheel_tests` environments
+#### `whl` environment
 Used for test execution across the spectrum of all the platforms we want to support. Maintained at a `platform specific` level just in case we run into platform-specific bugs.
 
 * Installs the wheel, runs tests using the wheel

sdk/appconfiguration/ci.yml

@@ -0,0 +1,23 @@
+# DO NOT EDIT THIS FILE
+# This file is generated automatically and any changes will be lost.
+
+trigger:
+  branches:
+    include:
+    - master
+  paths:
+    include:
+    - sdk/appconfiguration/
+
+pr:
+  branches:
+    include:
+    - master
+  paths:
+    include:
+    - sdk/appconfiguration/
+
+jobs:
+- template: ../../eng/pipelines/templates/jobs/archetype-sdk-client.yml
+  parameters:
+    ServiceDirectory: appconfiguration