Add customizable user roles (#18641)

* Add customizable user roles

* Various fixes and improvements

* Add migration for old settings and fix tootctl role management

config/locales/simple_form.en.yml

@@ -96,6 +96,13 @@ en:
         name: You can only change the casing of the letters, for example, to make it more readable
       user:
         chosen_languages: When checked, only posts in selected languages will be displayed in public timelines
+        role: The role controls which permissions the user has
+      user_role:
+        color: Color to be used for the role throughout the UI, as RGB in hex format
+        highlighted: This makes the role publicly visible
+        name: Public name of the role, if role is set to be displayed as a badge
+        permissions_as_keys: Users with this role will have access to...
+        position: Higher role decides conflict resolution in certain situations
       webhook:
         events: Select events to send
         url: Where events will be sent to
@@ -232,6 +239,14 @@ en:
         name: Hashtag
         trendable: Allow this hashtag to appear under trends
         usable: Allow posts to use this hashtag
+      user:
+        role: Role
+      user_role:
+        color: Badge color
+        highlighted: Display role as badge on user profiles
+        name: Name
+        permissions_as_keys: Permissions
+        position: Priority
       webhook:
         events: Enabled events
         url: Endpoint URL