Add Ukrainian translation

[troyane]

Offtop: Would be nice if you @tomchen could participate in hacktoberfest (https://hacktoberfest.digitalocean.com/).

[codecov-commenter]

Codecov Report

Merging #48 (6cce7e3) into main (6866025) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main      #48      +/-   ##
==========================================
+ Coverage   91.17%   91.18%   +0.01%     
==========================================
  Files         111      114       +3     
  Lines        2345     2348       +3     
  Branches      430      430              
==========================================
+ Hits         2138     2141       +3     
  Misses        189      189              
  Partials       18       18              

Impacted Files	Coverage Δ
src/i18n/langs.ts	100.00% <ø> (ø)
src/i18n/cards/uk.ts	100.00% <100.00%> (ø)
src/i18n/main/uk.ts	100.00% <100.00%> (ø)
src/i18n/taverns/uk.ts	100.00% <100.00%> (ø)

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