fatal خطا

با سلام دستوراتی که در گیت میزنم خطاهای زیر رو میده لطفا و خواهشا راهنمایی فرمایید . مبتدی هستم .

$ git clone https://gitlab.com/username/login_html.git
Cloning into 'login_html'...
fatal: unable to access 'https://gitlab.com/mostafa_mehrjoo/login_html.git/': The requested URL returned error: 403

$ cd login_html
bash: cd: login_html: No such file or directory

$ touch README.md

$ git add README.md
fatal: not a git repository (or any of the parent directories): .git

$ git commit -m "add README"
fatal: not a git repository (or any of the parent directories): .git

$ git push -u origin master
fatal: not a git repository (or any of the parent directories): .git