Correctly bundle ZIM UI inside the pip package

[benoit74]

Fix #63

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 33.33%. Comparing base (d8cf7ca) to head (c999b51).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #88   +/-   ##
=======================================
  Coverage   33.33%   33.33%           
=======================================
  Files          11       11           
  Lines         981      981           
  Branches      133      133           
=======================================
  Hits          327      327           
  Misses        643      643           
  Partials       11       11           

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[benoit74]

Tested with

> pip install /home/benoit/Repos/openzim/maps/scraper/dist/maps2zim-0.1.2.dev0-py3-none-any.whl
> maps2zim --area monaco --geonames-region MC --name maps-tests_en_all --title "Maps Test" --description "Test ZIM for maps" --file-name "maps-tests_en_all" --default-view=43.74,7.43,13 --tmp /tmp --overwrite --zim-workers 16 
[maps2zim::MainThread::2026-04-07 12:10:47,724] INFO:Generating ZIM
[maps2zim::MainThread::2026-04-07 12:10:47,724] INFO:  Progress 0 / 1
[maps2zim::MainThread::2026-04-07 12:10:47,724] INFO:  Writing to: output/maps-tests_en_all.zim
[maps2zim::MainThread::2026-04-07 12:10:47,724] INFO:  Fetching ZIM illustration...
[maps2zim::MainThread::2026-04-07 12:10:48,002] INFO:  Storing configuration...
[maps2zim::MainThread::2026-04-07 12:10:48,002] INFO:Adding 5 Vue.JS UI files in /tmp/maps/venv/lib/python3.14/site-packages/maps2zim/zimui

=> we do have the expected Vue.JS files