re-formatted, better structure

README.md

@@ -1,3 +1,15 @@
 # HomesteadGateway
 
-Gateway between multiple HomesteadRelay's and the HomesteadToGo Bot.
+Gateway between multiple HomesteadRelay's and the HomesteadToGo Bot.
+
+
+## dev notes
+
+perhaps drop database, instead
+
+```
+Mod     -> websocket /register { server_id, channel_id }                   // grabbed from mod config
+Bot     -> websocket /ready { channel_id }                                 // ready if Mod with fitting channel_id has called /register
+Gateway -> memory cache (server_id -> channel_id; channel_id -> server_id) // mem enough
+Mod/Bot -> websocket /ws { ... } -> Bot/Mod                                // sync
+```