Added link to Bicep PowerShell Module in readme

[StefanIvemo]

Added link to my Bicep PowerShell Module under the Community Bicep projects heading in the Bicep repository README. 😊

[codecov-io]

Codecov Report

Merging #1333 (2831cf8) into main (b02617d) will increase coverage by 0.22%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1333      +/-   ##
==========================================
+ Coverage   64.65%   64.88%   +0.22%     
==========================================
  Files         343      339       -4     
  Lines       17415    17267     -148     
  Branches       14        0      -14     
==========================================
- Hits        11259    11203      -56     
+ Misses       6156     6064      -92     

Flag	Coverage Δ
dotnet	64.88% <ø> (-0.07%)	⬇️
typescript	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...cep.Core.UnitTests/FileSystem/FileResolverTests.cs	79.31% <0.00%> (-20.69%)	⬇️
src/Bicep.Core.UnitTests/Utils/CompilerFlags.cs	20.00% <0.00%> (-13.34%)	⬇️
src/Bicep.Core/FileSystem/PathHelper.cs	73.07% <0.00%> (-3.85%)	⬇️
...Bicep.Core.UnitTests/FileSystem/PathHelperTests.cs	100.00% <0.00%> (ø)
src/vscode-bicep/src/language/client.ts
src/vscode-bicep/src/utils/telemetry.ts
src/vscode-bicep/src/utils/logger.ts
src/vscode-bicep/src/extension.ts