- create a new repository on the command line
    git init
    git add README.md
    git commit -m "first commit"
    git branch -M main
    git remote add origin <HTTPS>
    git push -u origin main

- push an existing repository from the command line
    git remote add origin https://github.com/ramdaniAli/backupApp.git
    git branch -M main
    git push -u origin main