See the details in documentation .
Use this code to host local server
cd C:\Users\StanleyChan\SynologyDrive\Work Backup\my document\quartz
npx quartz build --serve
Use this code to sync GitHub
cd C:\Users\StanleyChan\SynologyDrive\Work Backup\my document\quartz
npx quartz sync
Use this code to push repo
cd C:\Users\StanleyChan\SynologyDrive\Work Backup\my document\quartz
git add .
git commit -m "updated"
git push