Tidy up the Python wheel files

[cottsay]

1. Drop the man page
2. Put the executable in the right spot
3. Add a bunch of metadata so it looks okay on PyPI

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 42.67%. Comparing base (1a84c85) to head (3bbc8c2).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #26   +/-   ##
=======================================
  Coverage   42.67%   42.67%           
=======================================
  Files          20       20           
  Lines        2615     2615           
  Branches      532      532           
=======================================
  Hits         1116     1116           
  Misses       1244     1244           
  Partials      255      255           

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