Changes to xActiveDirectory

- Adding a Branches section to the README.md with Codecov badges for both
  master and dev branch (issue dsccommunity#192).

README.md

@@ -1,14 +1,32 @@
 # xActiveDirectory
 
-[![Build status](https://ci.appveyor.com/api/projects/status/p4jejr60jrgb8ity/branch/master?svg=true)](https://ci.appveyor.com/project/PowerShell/xactivedirectory/branch/master)
-[![codecov](https://codecov.io/gh/PowerShell/xActiveDirectory/branch/master/graph/badge.svg)](https://codecov.io/gh/PowerShell/xActiveDirectory)
-
-The **xActiveDirectory** DSC resources allow you to configure and manage Active Directory.
-Note: these resources do not presently install the RSAT tools.
+The **xActiveDirectory** DSC resources allow you to configure and manage Active
+Directory.
+Note: these resources do not presently install the Remote Server Administration
+Tools (RSAT).
 
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
 For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [[email protected]](mailto:[email protected]) with any additional questions or comments.
 
+## Branches
+
+### master
+
+[![Build status](https://ci.appveyor.com/api/projects/status/p4jejr60jrgb8ity/branch/master?svg=true)](https://ci.appveyor.com/project/PowerShell/xActiveDirectory/branch/master)
+[![codecov](https://codecov.io/gh/PowerShell/xActiveDirectory/branch/master/graph/badge.svg)](https://codecov.io/gh/PowerShell/xActiveDirectory/branch/master)
+
+This is the branch containing the latest release -
+no contributions should be made directly to this branch.
+
+### dev
+
+[![Build status](https://ci.appveyor.com/api/projects/status/p4jejr60jrgb8ity/branch/dev?svg=true)](https://ci.appveyor.com/project/PowerShell/xActiveDirectory/branch/dev)
+[![codecov](https://codecov.io/gh/PowerShell/xActiveDirectory/branch/dev/graph/badge.svg)](https://codecov.io/gh/PowerShell/xActiveDirectory/branch/dev)
+
+This is the development branch
+to which contributions should be proposed by contributors as pull requests.
+This development branch will periodically be merged to the master branch,
+and be released to [PowerShell Gallery](https://www.powershellgallery.com/).
 ## Contributing
 
 Please check out common DSC Resource [contributing guidelines](https://github.com/PowerShell/DscResources/blob/master/CONTRIBUTING.md).
@@ -291,6 +309,8 @@ The xADServicePrincipalName DSC resource will manage service principal names.
 * Changes to xActiveDirectory
   * The resources are now in alphabetical order in the README.md
     ([issue #194](https://github.com/PowerShell/xActiveDirectory/issues/194)).
+  * Adding a Branches section to the README.md with Codecov badges for both
+    master and dev branch ([issue #192](https://github.com/PowerShell/xActiveDirectory/issues/192)).
 
 ### 2.18.0.0