Update .gitattributes

[ankurk91]

Hi,

Lets remove unwanted files and folders from distribution.

Thanks.

[codecov-commenter]

Codecov Report

Merging #321 (36f9909) into main (af207a5) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main     #321   +/-   ##
=========================================
  Coverage     82.07%   82.07%           
  Complexity     2055     2055           
=========================================
  Files           189      189           
  Lines          5306     5306           
=========================================
  Hits           4355     4355           
  Misses          951      951           

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[SecondeJK]

Don't see any problem with this, will get this merged.