Adds module topic support

[indented-automation]

PR Summary

Adds support for elective Modules.

Context

Adds a Module and IncludeModule parameter to allow creation of on-demand content for modules such as ActiveDirectory, and DbaTools.

Changes

• Moved KoanAttribute to C#. Avoiding such a significant need for using module.
• Added:
  • Get-PSKoan (merges Get-PSKoanFile and Get-Koan)
  • Get-KoanAst (private)
  • Get-KoanAttribute (private)
  • Test-UnblockedFile (private)
• Refactored / rebuilt:
  • Get-KoanIt
  • Get-Karma
  • Reset-PSKoan
  • Show-Karma
  • Update-PSKoan
  • Update-PSKoanFile
• Retired:
  • Get-Koan
  • Get-PSKoanFile
• Added Format file.
• Moved argument completers to Register-ArgumentCompleter (see scripts in Init folder).
• Moved other initialization tasks into individual scripts.
• Retired Update-TypeData for PSKoans.Results (moved to format file).

Checklist

• Pull Request has a meaningful title.
• Summarised changes.
• Pull Request is ready to merge & is not WIP.
• Added tests / only testable interactively.
  • Make sure you add a new test if old tests do not effectively test the code changed.
• Added documentation / opened issue to track adding documentation at a later date.

[vexx32]

Wow, nice work! This is quite a bit so I might go over everything a few times in case I miss things. This is the first pass. 💖

[vexx32]

Looking fantastic, just wanna update that test description a bit 💖

[vexx32]

Looks good! 💖 😊

[indented-automation]

Just a short one, updates koan validation tests to account for the module when determining if position is unique.

[vexx32]

Looks good, thanks!

Anything else you need to add before I merge? 💖

[indented-automation]

Nope, that's everything I can think of :)