Add Server and client

Unity network UDP/Assets/scripts/network/packet/PingPacket.cs

@@ -0,0 +1,27 @@
+using UnityEngine;
+using System.Collections;
+
+public class PingPacket : IPacket {
+
+    public long current;
+
+    public PingPacket()
+    {
+
+    }
+
+	void IPacket.read(DataBuffer data)
+    {
+
+    }
+
+    void IPacket.write(DataBuffer data)
+    {
+
+    }
+
+    void IPacket.manage(byte[] data, Client client)
+    {
+
+    }
+}