- Add the ability to block a user via their profile page.
- This will unstar their repositories and visa versa.
- Blocked users cannot create issues or pull requests on your the doer's repositories (mind that this is not the case for organizations).
- Blocked users cannot comment on the doer's opened issues or pull requests.
- Blocked users cannot add reactions to doer's comments.
- Blocked users cannot cause a notification trough mentioning the doer.
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/540
(cherry picked from commit 687d852480388897db4d7b0cb397cf7135ab97b1)
(cherry picked from commit 0c32a4fde531018f74e01d9db6520895fcfa10cc)
(cherry picked from commit 1791130e3cb8470b9b39742e0004d5e4c7d1e64d)
(cherry picked from commit 00f411819f62c02016d46602ab4daf49effe0550)
