Update contributing guidelines

[mawassk]

No description provided.

[codecov]

Codecov Report

Merging #6 (15ba675) into main (5f34ef8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage   93.71%   93.71%           
=======================================
  Files           7        7           
  Lines         175      175           
=======================================
  Hits          164      164           
  Misses         11       11           

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