slight readme change

Author: Gjones747

internal/p2p/readme.md

@@ -9,7 +9,9 @@ Essentially moving the client logic out of the stun server and splitting it up i
 │   │   ├── state.go            # State management
 │   │   ├── peer.go             # Peer handling
 │   │   ├── callbacks.go        # Event callbacks
-│   │   └── message_handler.go  # Message routing
+│   │   |── message_handler.go  # Message routing
+│   │   └── server_handler.go   # Deals with connections to server
+│   │   └── connection_handler.go   # Deals with ping/pong keeping connections alive
 │   ├── api/
 │   │   └── message.go          # Protocol messages -> Future seperated between Stun messages and user messages
 ```