* #14559 Reduce amount of email notifications for WIP draft PR's
don't notify repo watchers of WIP draft PR's
* #13190 Notification when WIP Pull Request is ready for review
* Send email notification to repo watchers when WIP PR is created
* Send ui notification to repo watchers when WIP PR is created
* send specific email notification when PR is marked ready for review
instead of reusing the CreatePullRequest action
* Fix lint error
Co-authored-by: techknowlogick <techknowlogick@gitea.io>