Localisation updates from https://translatewiki.net.

[translatewiki]

Translation updates

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.35%. Comparing base (1b34cb3) to head (f6fb560).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #85   +/-   ##
=======================================
  Coverage   46.35%   46.35%           
=======================================
  Files          10       10           
  Lines         384      384           
  Branches       43       43           
=======================================
  Hits          178      178           
  Misses        205      205           
  Partials        1        1           

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[benoit74]

For the record, I've also:

• only added fr to the UI, ko, lb and mk are not yet complete enough.
• sorted languages in UI combobox by display name
• added link and more instructions (around completeness) in the codebase