add reminder to add initiated dialogs into table

migrations/1_init.sql

@@ -47,4 +47,6 @@ AFTER UPDATE OF is_approved ON "request"
 WHEN new.is_approved = 1
 BEGIN
     UPDATE user SET can_download = 1 WHERE user.id = new.requested_by;
-END;
+END;
+
+-- TODO: add dialog start table