Change github statistic

[Konstantin8105]

Is your feature request related to a problem? Please describe.
Github statistic use all files(sources, scripts,...) for show statistic.
But some projects avoid files of scripts, testdata, CI files in Github statistic.

Describe the solution you'd like
Add file : .gitattributes
Example of use: https://github.com/Konstantin8105/c4go/blob/master/.gitattributes

Describe alternatives you've considered
Ignored

Additional context
See Article https://hackernoon.com/how-to-change-repo-language-in-github-c3e07819c5bb

[alwindoss]

Raised a PR for this issue PR

[alwindoss]

Closed as part of the PR #14