Add gitignore

Created by: martinRenou

Created by: codecov-io

Codecov Report

Merging #25 into master will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #25   +/-   ##
=======================================
  Coverage   22.82%   22.82%           
=======================================
  Files          37       37           
  Lines         403      403           
  Branches       24       24           
=======================================
  Hits           92       92           
  Misses        306      306           
  Partials        5        5

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