Add BY and RU Languages

[lifeindarkside]

This PR just add BY and RU locales

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.29%. Comparing base (ac5a71d) to head (397c684).
⚠️ Report is 23 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3015   +/-   ##
=======================================
  Coverage   83.29%   83.29%           
=======================================
  Files           8        8           
  Lines         790      790           
=======================================
  Hits          658      658           
  Misses         98       98           
  Partials       34       34           

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[jhaals]

Thank you for the contribution