Update github actions  - add workflow to build and deploy to preview
Update github actions
 - add workflow to build and deploy to preview

gocd/gocd.github.io,gocd/www.go.cd,gocd/gocd.github.io,gocd/www.go.cd,gocd/gocd.github.io,gocd/www.go.cd,gocd/gocd.github.io,gocd/www.go.cd