Implement Instance Moderation Notes (#31529)

config/locales/en.yml

@@ -578,6 +578,13 @@ en:
         all: All
         limited: Limited
         title: Moderation
+      moderation_notes:
+        create: Add Moderation Note
+        created_msg: Instance moderation note successfully created!
+        description_html: View and leave notes for other moderators and your future self
+        destroyed_msg: Instance moderation note successfully deleted!
+        placeholder: Information about this instance, actions taken, or anything else that will help you moderate this instance in the future.
+        title: Moderation Notes
       private_comment: Private comment
       public_comment: Public comment
       purge: Purge

config/routes/admin.rb

@@ -91,6 +91,8 @@ namespace :admin do
       post :restart_delivery
       post :stop_delivery
     end
+
+    resources :moderation_notes, controller: 'instances/moderation_notes', only: [:create, :destroy]
   end
 
   resources :rules, only: [:index, :new, :create, :edit, :update, :destroy] do