Retrieve and rewrite Detailed licensing pages content

[benoit74]

Fix #54

[codecov]

Codecov Report

Attention: Patch coverage is 62.79070% with 16 lines in your changes missing coverage. Please review.

Project coverage is 49.68%. Comparing base (7a97c59) to head (e793254).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...src/mindtouch2zim/libretexts/detailed_licensing.py	68.42%	12 Missing ⚠️
scraper/src/mindtouch2zim/processor.py	20.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #98      +/-   ##
==========================================
+ Coverage   49.10%   49.68%   +0.57%     
==========================================
  Files          17       18       +1     
  Lines        1065     1107      +42     
  Branches      149      151       +2     
==========================================
+ Hits          523      550      +27     
- Misses        531      546      +15     
  Partials       11       11              

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[rgaudin]

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