link https://git-lfs.github.com/

download lfs and install
git lfs install
git init
git lfs track ".mp4"
git lfs track ".mp3"
git lfs track ".psd"
git add .
git add .gitattributes
git config lfs.https://github.com/arif98741/lfs.git/info/lfs.locksverify false
git commit -m "Add design file"
git push origin master



