Open terminal to retrieve and run the server
cd /Users/alexagueguen/Documents/Portfolio
git pull --rebase origin master
npm start
If you have uncommited changes, git will cry, to help it feel better, save your changes then pull again as below:
git add --all
git commit -m "What you change"
git push origin master
git pull --rebase origin master
git add --all
git commit -m "What you change"
git push origin master
Once all files are saved
If file does not exist
git add README.md
If file already exists
git add -p
git commit -m "What you change"
If you don't know what has changed
git status
Push changes to Github
git push origin master