feat(translations): add import translations functionality and related…

[MHIZokuchi]

… models. (#351)

[codecov]

Codecov Report

❌ Patch coverage is 98.03922% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 68.56%. Comparing base (f45d418) to head (b06b535).
⚠️ Report is 174 commits behind head on main.

Files with missing lines	Patch %	Lines
...wdin.Api/Translations/TranslationImportResponse.cs	87.50%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #352       +/-   ##
===========================================
+ Coverage   50.38%   68.56%   +18.18%     
===========================================
  Files         277      446      +169     
  Lines        3688     6830     +3142     
  Branches        0      562      +562     
===========================================
+ Hits         1858     4682     +2824     
- Misses       1830     2099      +269     
- Partials        0       49       +49     

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[andrii-bodnar]

@MHIZokuchi thank you for the contribution!