Raise qualified exceptions instead of generic 'Exception'

[Gulin7]

Fix: #91

Changes:

• used built-in Exceptions instead of generic 'Exception' or created custom Exceptions

[codecov]

Codecov Report

Attention: Patch coverage is 55.17241% with 13 lines in your changes missing coverage. Please review.

Project coverage is 43.66%. Comparing base (92fafb1) to head (b35f11c).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
scraper/src/mindtouch2zim/asset.py	14.28%	6 Missing ⚠️
scraper/src/mindtouch2zim/html_rewriting.py	0.00%	3 Missing ⚠️
scraper/src/mindtouch2zim/client.py	33.33%	2 Missing ⚠️
scraper/src/mindtouch2zim/processor.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #103      +/-   ##
==========================================
+ Coverage   43.14%   43.66%   +0.51%     
==========================================
  Files          15       15              
  Lines         978      987       +9     
  Branches      133      133              
==========================================
+ Hits          422      431       +9     
  Misses        545      545              
  Partials       11       11              

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[benoit74]

Thank you! Please move all to the errors.py as you've suggested, good for me otherwise.

And fix your first comment in the PR to link the PR and the issue: https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue (e.g. Fix #xxx instead of Issue: #xxx). This way the issue will be automatically closed when PR is merged.

[Gulin7]

I have fixed my PR comment and moved the custom exceptions to errors.py .

[benoit74]

LGTM, thank you!