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 commit -am "updated"
git push