Add init packet

Server/Server.cs

@@ -123,6 +123,9 @@ public class Server {
     private async void HandleSocket(Socket socket) {
         Client client = new Client(socket) {Server = this};
         IMemoryOwner<byte> memory = null!;
+        await client.Send(new InitPacket {
+            MaxPlayers = Settings.Instance.Server.MaxPlayers
+        });
         bool first = true;
         try {
             while (true) {

Server/Settings.cs

@@ -46,7 +46,7 @@ public class Settings {
     public class ServerTable {
         public string Address { get; set; } = IPAddress.Any.ToString();
         public ushort Port { get; set; } = 1027;
-        public byte MaxPlayers { get; set; } = 8;
+        public ushort MaxPlayers { get; set; } = 8;
     }
 
     public class ScenarioTable {

Shared/Packet/PacketType.cs

@@ -2,6 +2,7 @@
 
 public enum PacketType : short {
     Unknown,
+    Init,
     Player,
     Cap,
     Game,

Shared/Packet/Packets/InitPacket.cs

@@ -0,0 +1,19 @@
+using System.Runtime.InteropServices;
+
+namespace Shared.Packet.Packets;
+
+[Packet(PacketType.Init)]
+public struct InitPacket : IPacket {
+    public short Size { get; } = 2;
+    public ushort MaxPlayers = 0;
+
+    public InitPacket() { }
+
+    public void Serialize(Span<byte> data) {
+        MemoryMarshal.Write(data, ref MaxPlayers);
+    }
+
+    public void Deserialize(ReadOnlySpan<byte> data) {
+        MaxPlayers = MemoryMarshal.Read<ushort>(data);
+    }
+}