Update templates with code coverage functionality

[johlju]

Pull Request

Pull Request (PR) description

Changed

• Templates
  • build.yaml
  • Comment Pester tag exclusion for all templates so that the default is to use all QA test.
  • Added comment task Convert_Pester_Coverage for the test task.
  • Removed leftovers from key DscTest that was kept when using template 'SimpleModule'.
  • Updated with entries to support several code coverage scenarios, some initially commented.
  • azure-pipelines_dsccommunity.yml
  • Updated with the latest code coverage scenarios, some initially commented.
  • azure-pipelines.yml
  • Updated with the latest code coverage merge scenario.
  • codecov_dsccommunity.yml
  • Removed and replaced with codecov.yml.template
  • codecov.yml.template
  • Codecov.yml is now added for several templates and features. Content is dependent on the template that is used.
  • Now the template 'dsccommunity' gets a README.md file.

Task list

• [x] The PR represents a single logical change. i.e. Cosmetic updates should go in different PRs.
• [x] Added an entry under the Unreleased section of in the CHANGELOG.md as per format.
• [ ] Local clean build passes without issue or fail tests (build.ps1 -ResolveDependency).
• [ ] Resource documentation added/updated in README.md.
• [ ] Resource parameter descriptions added/updated in README.md, schema.mof and comment-based help.
• [ ] Comment-based help added/updated.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Resource Testing Guidelines.
• [x] Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• [x] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

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This change is 

[codecov[bot]]

Codecov Report

Merging #280 (ee409f3) into main (c7dc73c) will decrease coverage by 0%. The diff coverage is 0%.

@@         Coverage Diff         @@
##           main   #280   +/-   ##
===================================
- Coverage    29%    29%   -1%     
===================================
  Files        38     38           
  Lines      1742   1744    +2     
===================================
  Hits        506    506           
- Misses     1236   1238    +2     

Impacted Files	Coverage Δ
.build/tasks/Build-Module.ModuleBuilder.build.ps1	0% <0%> (ø)

[johlju]

I tested creating a module usin both 'SimpleModule' and 'dsccommunity' template.