Plugin GitStatistics: Added calculation of comment lines for assembler files

[veremenko-y]

Changes proposed in this pull request:

• Adds assembly style comments calculation in files with extensions .asm, .s and .inc.

What did I do to test the code and ensure quality:

• Change is small and follows the rest of the code. Built and tested manually on my repository to make sure it works.

[codecov]

Codecov Report

Merging #5846 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master   #5846      +/-   ##
=========================================
+ Coverage    37.3%   37.3%   +<.01%     
=========================================
  Files         618     618              
  Lines       47391   47391              
  Branches     6299    6299              
=========================================
+ Hits        17677   17679       +2     
+ Misses      28936   28935       -1     
+ Partials      778     777       -1

[RussKie]

Thank you

[veremenko-y]

Thanks for merging.