Add Traefik Forward Auth against KeyCloak

manuscript/ha-docker-swarm/design.md

@@ -92,10 +92,4 @@ In summary, although I suffered an **unplanned power outage to all of my infrast
 [^1]: Since there's no impact to availability, I can fix (or just reinstall) the failed node whenever convenient.
 
 
-## Chef's Notes
-
-### Tip your waiter (support me) 👏
-
-Did you receive excellent service? Want to make your waiter happy? (_..and support development of current and future recipes!_) See the [support](/support/) page for (_free or paid)_ ways to say thank you! 👏
-
-### Your comments? 💬
+## Chef's Notes 📓