add parameters to AddUserToGroups method

[danilopopeye]

No description provided.

[codecov]

Codecov Report

Merging #57 into master will increase coverage by 0.01%.
The diff coverage is 80.00%.

@@            Coverage Diff             @@
##           master      #57      +/-   ##
==========================================
+ Coverage   59.33%   59.35%   +0.01%     
==========================================
  Files           5        5              
  Lines        8005     8008       +3     
==========================================
+ Hits         4750     4753       +3     
  Misses       2254     2254              
  Partials     1001     1001              

Impacted Files	Coverage Δ
default_api.go	60.41% <80.00%> (+0.01%)	⬆️

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[gfleury]

LGTM! Thanks @danilopopeye !