howto: fix issue with commiting .idea dir

[johnykov]

Hi, I've seen your youtube video, I like your project and way you talk about go, good job!
I can help you with git.
This should be applied to each branch:

1. git rm -r --cached .idea
2. add ".idea" and "*.iml" to .gitignore file
3. commit those above

It is a good practise NOT to commit .idea directory to git project ;)

[imroc]

same feeling