Convert command-line interface to click instead of argparse

[dbhart]

The click package provides better support for CLI apps than argparse. This will result in a patch-level update, as it is a refactor rather than a change.

[codecov]

Codecov Report

Attention: Patch coverage is 94.91525% with 6 lines in your changes missing coverage. Please review.

Project coverage is 88.53%. Comparing base (6adfe59) to head (d388c35).
Report is 28 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
+ Coverage   88.25%   88.53%   +0.27%     
==========================================
  Files           8        8              
  Lines        1992     1962      -30     
==========================================
- Hits         1758     1737      -21     
+ Misses        234      225       -9     

Components	Coverage Δ
python code	85.64% <93.25%> (+0.14%)	⬆️
C++ code	∅ <ø> (∅)
tests	99.75% <100.00%> (+0.01%)	⬆️