how to initialize git in our project code example

Example 1: git init repo

git init
git add somefile
git commit -m "initial commit"
git remote add origin https://github.com/username/new_repo
git push -u origin master

Example 2: add github repo

create a new repository on the command line
echo "# {Repo Name}" >> README.md
git init
git add README.md
git commit -m "first commit"
git branch -M main
git remote add origin https://github.com/cdcdianne/ReactJS-TheMovieDB.git
git push -u origin main
                
push an existing repository from the command line
git remote add origin https://github.com/cdcdianne/ReactJS-TheMovieDB.git
git branch -M main
git push -u origin main