fix: fixed listen address of the server from localhost to 0.0.0.0

Server/src/main/java/uulm/teamname/marvelous/server/Server.java

@@ -64,7 +64,7 @@ public class Server {
             System.exit(0);
         }
 
-        InetSocketAddress address = new InetSocketAddress("localhost", serverArgs.getPort());
+        InetSocketAddress address = new InetSocketAddress(serverArgs.getPort());
         Logger.trace("Inet address {} created", address);
 
         var json = new JSON(characterConfig);