Add rule checking that first Argument is in the same line as [Arguments]

[szymonslodkowski]

Implements rule from #1001

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.01%. Comparing base (f62508c) to head (ad92d11).
Report is 21 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1092      +/-   ##
==========================================
- Coverage   97.02%   97.01%   -0.01%     
==========================================
  Files          37       38       +1     
  Lines        4670     4825     +155     
==========================================
+ Hits         4531     4681     +150     
- Misses        139      144       +5     

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[bhirsz]

Thanks, good work! Commented few nitpicks