source version info in docs from packaging

[jGaboardi]

• source version info in docs from packaging
• xref DOC: switch theme to new PySAL standard momepy#745 (comment)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.70%. Comparing base (c79d69b) to head (54479f9).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #107   +/-   ##
=======================================
  Coverage   91.70%   91.70%           
=======================================
  Files           6        6           
  Lines         868      868           
=======================================
  Hits          796      796           
  Misses         72       72           

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