add: live browser notifications

crates/app/src/routes/api/v1/mod.rs

@@ -303,6 +303,15 @@ pub fn routes() -> Router {
         )
         .route("/messages", post(channels::messages::create_request))
         .route("/messages/{id}", delete(channels::messages::delete_request))
+        // subscriptions
+        .route(
+            "/auth/user/me/subscriptions/{channel_id}/{message_id}",
+            post(auth::subscriptions::update_last_message_request),
+        )
+        .route(
+            "/auth/user/me/subscriptions/{channel_id}",
+            delete(auth::subscriptions::delete_request),
+        )
 }
 
 #[derive(Deserialize)]