Modernize dev chain

[braniii]

• Migrate deprecated setup.py pip to uv
  • Initialize uv
  • Migrate building
• Migrate to Ruff
• Update contribution guidelines in doc to use uv

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.79%. Comparing base (7a127f0) to head (aadb602).
⚠️ Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
src/prettypyplot/pyplot.py	16.66%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #24   +/-   ##
=======================================
  Coverage   83.79%   83.79%           
=======================================
  Files          12       12           
  Lines         648      648           
=======================================
  Hits          543      543           
  Misses        105      105           

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