add github remote to existing repo code example
Example 1: git set remote
git remote set-url origin https://github.com/USERNAME/REPOSITORY.git
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
Example 3: git push existing code to new repository
git remote add origin <remote repository URL>
Example 4: how to upload existing project to github
git remote add origin remote repository URL
git remote -v
git push -f origin master