fix(client): make arguments optional in send_message

Author: S1M0N38

src/balatrobot/client.py

@@ -82,7 +82,7 @@ def disconnect(self) -> None:
             self._socket = None
         self._connected = False
 
-    def send_message(self, name: str, arguments: dict) -> dict:
+    def send_message(self, name: str, arguments: dict = {}) -> dict:
         """Send JSON message to Balatro and receive response
 
         Args: