make navbar more dense, remove overview link, make logo clickable

[oiwn]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 33.66%. Comparing base (00fda20) to head (83fa384).
⚠️ Report is 19 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #81   +/-   ##
=======================================
  Coverage   33.66%   33.66%           
=======================================
  Files          31       31           
  Lines        3998     3998           
=======================================
  Hits         1346     1346           
  Misses       2652     2652           

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