Add required actions for PR Preview
These actions would
- build and publish a Docker image with every push to the branch
- add preview label when the PR is ready_for_review (this triggers the app creation)
- clean up the created app whe the PR is closed
- build and publish a Docker image when the PR is merged
- enable slash commands to check and update the created environment
Note
This PR needs this secrets to be configured in order to work
PAT- A GitHub Personal Access Token with following scopesrepo:statuspublic_repo.DOCKERHUB_USERNAME- The username for the DockerHub account.DOCKERHUB_TOKEN- The token for the DockerHub account.