0a4086bb0c
* Add 'watch-backend' This leverages `air` to watch the backend files and trigger `make backend` automatically when they change. It seems to work rather well together with `watch-frontend`. Fixes: https://github.com/go-gitea/gitea/issues/12318 * rework docs to a new section for continuous build Co-authored-by: techknowlogick <techknowlogick@gitea.io>