Initial Module Loader implementation

[ztanczos]

• Refactored & added Module Loader to src
• Module Loader is available via DI by calling AddModuleLoader()
• Added unit tests
• Stopping modules is not implemented yet
• NativeModuleRunner is not implemented yet

[codecov]

Codecov Report

Merging #377 (0734eb4) into main (90f7f56) will increase coverage by 0.33%.
The diff coverage is 85.00%.

❗ Current head 0734eb4 differs from pull request most recent head 393d943. Consider uploading reports for the commit 393d943 to get more accurate results

@@            Coverage Diff             @@
##             main     #377      +/-   ##
==========================================
+ Coverage   77.06%   77.40%   +0.33%     
==========================================
  Files         167      173       +6     
  Lines        5486     5564      +78     
  Branches      233      233              
==========================================
+ Hits         4228     4307      +79     
+ Misses       1257     1256       -1     
  Partials        1        1              

Files	Coverage Δ
...poseUI.ModuleLoader.Abstractions/StartupContext.cs	92.85% <100.00%> (+0.54%)	⬆️
...DependencyInjection/ServiceCollectionExtensions.cs	100.00% <100.00%> (ø)
...anStanley.ComposeUI.ModuleLoader/ModuleInstance.cs	92.85% <92.85%> (ø)
....ComposeUI.ModuleLoader/Runners/WebModuleRunner.cs	83.33% <83.33%> (ø)
...mposeUI.ModuleLoader/Runners/NativeModuleRunner.cs	33.33% <33.33%> (ø)
...rganStanley.ComposeUI.ModuleLoader/ModuleLoader.cs	82.60% <82.60%> (ø)

... and 6 files with indirect coverage changes