check for git origin code example

Example 1: show remote git

# when you are not connected to the network, you can use this
git config --get remote.origin.url

Example 2: git add remote

git remote add heroku https://git.heroku.com/arrecs.git
git remote -v
-> heroku	https://git.heroku.com/arrecs.git (fetch)
-> heroku	https://git.heroku.com/arrecs.git (push)

git remote remove heroku
git remote -v