feat(Locale): Added polish translations

[w2b]

Summary

• Translation files added for polish language.
• Entry added to Locale README

Todo

• Chinese Local README file will need to be updated by someone with knowledge of Chinese ;)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.59%. Comparing base (ec5b45b) to head (a8bc452).
Report is 22 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #13327      +/-   ##
==========================================
- Coverage   89.60%   89.59%   -0.01%     
==========================================
  Files         257      257              
  Lines        7013     7019       +6     
  Branches     1736     1736              
==========================================
+ Hits         6284     6289       +5     
- Misses        384      388       +4     
+ Partials      345      342       -3     

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[chenjiahan]

Thank you! ❤️