Added socket disconnect on game unmount

src/network/Session.js

@@ -105,6 +105,10 @@ class Session extends EventEmitter {
     }
   }
 
+  disconnect() {
+    this.socket.disconnect();
+  }
+
   /**
    * Send data to a single peer
    *

src/routes/Game.js

@@ -33,6 +33,10 @@ function Game() {
       await session.connect();
     }
     connect();
+
+    return () => {
+      session.disconnect();
+    };
   }, [session]);
 
   // Handle session errors