xFailOverCluster: Fix remaining conversion issues

[johlju]

Pull Request (PR) description

• xFailOverCluster
  • Updated the CI pipeline files to the latest template.
  • Changed unit tests to handle missing DscResource.Test better.
  • Changed the Code of Conduct to the one adopted by DSC Community.
  • Added .markdownlint.json to get the correct settings for the MarkdownLint VS Code extension.
• xFailOverCluster
  • Added CODE_OF_CONDUCT.md file, and a 'Code of Conduct' section in the README.md.
  • Improved CI pipeline
  • Renamed the jobs
  • Splitting up the testing in different jobs.
  • URLs in the module manifest pointed in the wrong direction.
  • Changed the encoding that will be used by ModuleBuilder (ÙTF-8).
  • URLs to examples in README.md didn't take account for new folder structure.
  • Release pipeline stopped working in some circumstances, workaround is to pin ModuleBuilder to version 1.0.0 for now. There are a issue with ModuleBuilder using preview strings using dash, e.g. fix0008-9. The string is compliant with SemVer 2.0 but there is a bug in Publish-Module that prevents the module to be released.
  • Added code coverage reporting to Azure DevOps.
  • Update status badges in README.md.
  • Replaced section 'Branches' with section 'Releases' in README.md.
  • Pull request and issue template got minor updates.
• xClusterPreferredOwner
  • Fixed broken links to examples in README.md.
• xClusterQuorum
  • Fixed broken link to examples in README.md (issue #208.
• CommonResourceHelper
  • Added en-US localization folder to pass PSSA rule.
• xCluster
  • Added script file information to the example 1-CreateFirstNodeOfAFailoverCluster.ps1.
• Removed the file .codecov.yml since Codecov is no longer used.
• Removed the file Deploy.PSDeploy.ps1 since it is not longer used by the build pipeline.

This Pull Request (PR) fixes the following issues

Fixes #208

Task list

• [x] Added an entry under the Unreleased section of the change log in the CHANGELOG.md. Entry should say what was changed, and how that affects users (if applicable).
• [ ] 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.
• [ ] Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• [ ] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

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This change is