Add config.h includes to duelclient and netserver (#2875)

gframe/duelclient.h

@@ -4,6 +4,7 @@
 #include <vector>
 #include <set>
 #include <random>
+#include "config.h"
 #include "network.h"
 
 namespace ygo {

gframe/netserver.h

 #ifndef NETSERVER_H
 #define NETSERVER_H
 
-#include "network.h"
 #include <unordered_map>
+#include "config.h"
+#include "network.h"
 
 namespace ygo {