v3: correctly using SITE_NAME across the app, added notifications on comments

src/model.ts

@@ -248,7 +248,8 @@ export type NotificationType =
   | "user_dump_posted"
   | "playlist_dump_added"
   | "dump_upvoted"
-  | "user_mentioned";
+  | "user_mentioned"
+  | "dump_commented";
 
 export interface PlaylistFollowedData {
   followerId: string;
@@ -292,13 +293,22 @@ export interface UserMentionedData {
   dumpId?: string;
 }
 
+export interface DumpCommentedData {
+  commenterId: string;
+  commenterUsername: string;
+  commentId: string;
+  dumpId: string;
+  dumpTitle: string;
+}
+
 export type NotificationData =
   | PlaylistFollowedData
   | UserFollowedData
   | UserDumpPostedData
   | PlaylistDumpAddedData
   | DumpUpvotedData
-  | UserMentionedData;
+  | UserMentionedData
+  | DumpCommentedData;
 
 export interface Notification {
   id: string;