git in github

echo # custom_joomla >> README.md
git init
git add README.md
git commit -m "first commit"
git remote add origin git@github.com:shilovk/custom_joomla.git
git push -u origin master

…or push an existing repository from the command line

git remote add origin git@github.com:shilovk/custom_joomla.git
git push -u origin master