Feat telegram notifications (#692)

* Add telegram notifications

* fixup! Add telegram notifications

* Cleanup

backend/app.js

@@ -188,6 +188,10 @@ const registerApiRoutes = (basePath) => {
     app.use(`${basePath}/search`, require('./routes/search'));
     app.use(`${basePath}/views`, require('./routes/views'));
     app.use(`${basePath}/notifications`, require('./routes/notifications'));
+    app.use(
+        `${basePath}/test-notifications`,
+        require('./routes/test-notifications')
+    );
 };
 
 // Register routes at both /api and /api/v1 (if versioned) to maintain backwards compatibility