feat/admin user team ui

[thenav56]

Addresses

• Contributor Team management

This PR doesn't introduce any:

• temporary files, auto-generated files or secret keys
• n+1 queries
• flake8 issues
• print
• typos
• unwanted comments

This PR contains valid:

• tests
• permission checks (tests here too)
• translations

[thenav56]

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.70%. Comparing base (c3eac25) to head (1ae590b).
⚠️ Report is 4 commits behind head on develop.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #206   +/-   ##
========================================
  Coverage    87.69%   87.70%           
========================================
  Files          204      204           
  Lines        12228    12237    +9     
  Branches      1034     1034           
========================================
+ Hits         10723    10732    +9     
  Misses        1122     1122           
  Partials       383      383           

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