cruft update

[skshetry]

• Synced with py-template.
• drops Python 3.7.
• removed docs and docs infrastructure. Let me know if we need this, I can rollback.
• updated classifier to consider this project as a beta from planning.

[codecov-commenter]

Codecov Report

Merging #42 (c0779e4) into main (d127a37) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##              main       #42   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines            1         1           
=========================================
  Hits             1         1           

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[efiop]

Thank you, @skshetry 🙏