git gui 소스 파일 한 꺼번에 추가하기

https://stackoverflow.com/questions/1344908/how-do-i-stage-all-files-at-once-in-git-gui

1. Click 'Tools'>Add...
2. Name it whatever you want (I chose 'add all')
3. In the 'Command' field, type git add *
4. Optionally check the boxes to remove a dialog window, output window, and global configuration.
5. Click the Add button in the bottom right.