moved chat to new ChatPanel and added smooth bottom scrolling when new message is received

components/web_client_tcp.gd

@@ -1,6 +1,9 @@
 class_name WebClientTCP
 extends Node
 
+## Sender tag for system messages displayed in the chat
+const SENDER_SYSTEM: String = "SYSTEM"
+
 #var _tcp := StreamPeerTCP.new()
 var _socket := WebSocketPeer.new()
 
@@ -58,6 +61,10 @@ signal received_end_game_request()
 signal request_next_play()
 signal request_next_round()
 
+# new signals
+## Emitted when a message that needs to be displayed to the player has been received.
+signal user_message_received(sender: String, message: String)
+
 enum ConnectionStatus {
 	DISCONNECTED,
 	ATTEMPTING_CONNECTION,
@@ -136,8 +143,11 @@ func _handle_response(response: String) -> void:
 			_connected_client_ids.assign(data["connected_client_ids"])
 			_connected_client_names.assign(data["connected_client_names"])
 			client_left_lobby.emit.call_deferred(data["client_name"], _connected_client_names)
+		
+		## A chat message has been received
 		"receive_chat_message":
-			received_chat_message.emit.call_deferred(data["client_name"], data["message"])
+			# Relay message to be displayed in the chat panel
+			user_message_received.emit.call_deferred(data["client_name"], data["message"])
 		
 		"new_round_started":
 			if data["current_round"] == 1: