GOATS-757: Add pre-commit and run on all files.

[davner]

Jira Ticket: GOATS-N

Checklist

• Added or reviewed a release note in doc/changes.

[codecov]

Codecov Report

❌ Patch coverage is 55.55556% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 74.77%. Comparing base (3912815) to head (82aad65).
⚠️ Report is 86 commits behind head on main.

Files with missing lines	Patch %	Lines
src/goats_tom/astroquery/urlhelper.py	0.00%	3 Missing ⚠️
src/goats_tom/api_views/dragons_recipes.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #340      +/-   ##
==========================================
- Coverage   74.77%   74.77%   -0.01%     
==========================================
  Files         208      208              
  Lines        6851     6850       -1     
  Branches      459      459              
==========================================
- Hits         5123     5122       -1     
  Misses       1643     1643              
  Partials       85       85              

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