frontend Project setup npm install Compiles and hot-reloads for development npm run serve Compiles and minifies for production npm run build Lints and fixes files npm run lint Customize configuration See Configuration Reference. how to start backend and frontend -run backend node server.js -run frontend npm run serve git commands starting git branch git switch git add git commit -m "ok chun" git push -u origin 'branch-name' after done merged git switch main then git pull origin main