[MODERATION] user blocking

- 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 687d852480)
(cherry picked from commit 0c32a4fde5)
(cherry picked from commit 1791130e3c)
(cherry picked from commit 00f411819f)
(cherry picked from commit e0c039b0e8)
(cherry picked from commit b5a058ef00)
(cherry picked from commit 5ff5460d28)
(cherry picked from commit 97bc6e619d)

options/locale/locale_en-US.ini

@@ -590,11 +590,17 @@ overview = Overview
 following = Following
 follow = Follow
 unfollow = Unfollow
+block = Block
+unblock = Unblock
 heatmap.loading = Loading Heatmap…
 user_bio = Biography
 disabled_public_activity = This user has disabled the public visibility of the activity.
 email_visibility.limited = Your email address is visible to all authenticated users
 email_visibility.private = Your email address is only visible to you and administrators
+block_user = Block User
+block_user.detail = Please understand that if you block this user, other actions will be taken. Such as:
+block_user.detail_1 = You are being unfollowed from this user.
+block_user.detail_2 = This user cannot interact with your repositories, created issues and comments.
 
 form.name_reserved = The username "%s" is reserved.
 form.name_pattern_not_allowed = The pattern "%s" is not allowed in a username.
@@ -618,6 +624,7 @@ account_link = Linked Accounts
 organization = Organizations
 uid = Uid
 webauthn = Security Keys
+blocked_users = Blocked Users
 
 public_profile = Public Profile
 biography_placeholder = Tell us a little bit about yourself
@@ -1629,6 +1636,7 @@ issues.content_history.delete_from_history = Delete from history
 issues.content_history.delete_from_history_confirm = Delete from history?
 issues.content_history.options = Options
 issues.reference_link = Reference: %s
+issues.blocked_by_user = You cannot create a issue on this repository because you are blocked by the repository owner.
 
 compare.compare_base = base
 compare.compare_head = compare
@@ -1701,6 +1709,7 @@ pulls.reject_count_n = "%d change requests"
 pulls.waiting_count_1 = "%d waiting review"
 pulls.waiting_count_n = "%d waiting reviews"
 pulls.wrong_commit_id = "commit id must be a commit id on the target branch"
+pulls.blocked_by_user = You cannot create a pull request on this repository because you are blocked by the repository owner.
 
 pulls.no_merge_desc = This pull request cannot be merged because all repository merge options are disabled.
 pulls.no_merge_helper = Enable merge options in the repository settings or merge the pull request manually.