Improve bug report template and CLI documentation clarity

[david-lev]

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[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 58.86%. Comparing base (6b860e5) to head (6667cd4).
⚠️ Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
pywa/cli.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #225   +/-   ##
=======================================
  Coverage   58.86%   58.86%           
=======================================
  Files          29       29           
  Lines        2076     2076           
=======================================
  Hits         1222     1222           
  Misses        854      854           

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