Change log for AzureDevOpsDsc

The format is based on and uses the types of changes according to Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Added

AzureDevOpsDsc
- Updated pipeline files to support change of default branch to main.
- Added GitHub issue templates and pull request template (issue #1)
- Added the AzDevOpsProject, DSC Resource
- Fixed non-terminating, integration tests (issue #18)
AzureDevOpsDsc.Common
- Added 'wrapper' functionality around the Azure DevOps REST API

Changed

Enabled integration tests against https://dev.azure.com/azuredevopsdsc/ (see comment dsccommunity#9 (comment) for more information).