set git remote heroku to https://git.heroku.com/vast-plateau-02992.git code example
Example 1: how to add existing heroku remote
git remote add heroku git@heroku.com:project.gitExample 2: heroku git remote
heroku git:remote -a name-of-appgit remote add heroku git@heroku.com:project.githeroku git:remote -a name-of-app