добавить файл в git
/* go to the folder, open the terminal and type this commands */
git init
git add . /* . => it is to add all the files */
git commit -m "first_commit"
git remote add origin https://github.com/yourusername/your-repo-name.git
git pull origin master
git push origin master
/* sometimes we have to force push => git push --force origin master */
Outlander