Add support details

manuscript/ha-docker-swarm/design.md

@@ -88,4 +88,10 @@ 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.
 
 
-## Your comments?
+## Chef's Notes
+
+### Tip your waiter (donate) 👏
+
+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? 💬