Added "GetTranslatedSolutionArticle" method

[andrewLab-lokalise]

• added getTranslatedSolutionArticle method as in docs ()
• generated method parameter types in TS definitions

[codecov]

Codecov Report

Merging #238 (c161f76) into master (d860b8b) will increase coverage by 0.13%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #238      +/-   ##
==========================================
+ Coverage   76.47%   76.60%   +0.13%     
==========================================
  Files           2        2              
  Lines         170      171       +1     
==========================================
+ Hits          130      131       +1     
  Misses         40       40              

Impacted Files	Coverage Δ
lib/client.js	64.86% <100.00%> (+0.31%)	⬆️

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