Add support for --logging parameter of browsertrix crawler

[benoit74]

Fix #273

Nota:

• we now have intentionally two distinct flags:
  • --logging for browsertrix crawler
  • --verbose for warc2zim
• this is targeting zimit2 branch because there is no urgency to release this and I don't want to have again the same commit in two distinct branches

While this is obviously a tradeoff, having two parameters allow to make more verbose only the tool that interest us.

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (c7fdc1d) 15.60% compared to head (a505df9) 15.53%.
Report is 1 commits behind head on zimit2.

Files	Patch %	Lines
src/zimit/zimit.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           zimit2     #274      +/-   ##
==========================================
- Coverage   15.60%   15.53%   -0.07%     
==========================================
  Files           1        1              
  Lines         250      251       +1     
  Branches       39       39              
==========================================
  Hits           39       39              
- Misses        211      212       +1     

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[rgaudin]

LGTM ; good enough for now