update description of community repositories

[yitchen-tim]

Description of changes:
update description of the community repos section

Testing done:
tox

Merge Checklist

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General

• I have read the CONTRIBUTING doc
• I used the commit message format described in CONTRIBUTING
• I have updated any necessary documentation, including READMEs and API docs (if appropriate)

Tests

• I have added tests that prove my fix is effective or that my feature works (if appropriate)
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (3317c5e) to head (74fd5ba).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #142   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           29        29           
  Lines         1053      1053           
  Branches       185       185           
=========================================
  Hits          1053      1053           

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