...
CTRL+SHIFT+r or CTRL+R: new file
CTRL+SHIFT+p or CTRL+P:
1- Install git Optional?? (https://git-for-windows.github.io/)
2- In atom: Install git-plus
...
3- Create a GitHub repository ( github.com)
...
4- on Atom: CTRL+SHIFT+P
git run
example "remote add origin https://github.com/dahai0013/test2.git"
push -u origin master
...