- Follows https://github.com/go-gitea/gitea/pull/21711 - Closes https://github.com/go-gitea/gitea/issues/28316 Implement GitHub's alert blocks markdown feature Docs: - https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts - https://github.com/orgs/community/discussions/16925 ### Before  ### After  ## ⚠️ BREAKING ⚠️ The old syntax no longer works How to migrate: If you used ```md > **Note** My note ``` Switch to ```md > [!NOTE] > My note ``` --------- Signed-off-by: Yarden Shoham <git@yardenshoham.com> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Giteabot <teabot@gitea.io>
