added initial roadmap and implementation

trigger.sql

@@ -0,0 +1,7 @@
+CREATE OR REPLACE FUNCTION madbase_realtime.broadcast_changes() RETURNS trigger AS $$
+BEGIN
+    RAISE WARNING 'Trigger Fired by %', current_user;
+    PERFORM pg_notify('madbase_realtime', '{"test": "trigger"}');
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;