Add switch case for KQueue in TcpServer#bindImpl (GeyserMC#42)

Author: TeksuSiK

src/main/java/com/github/steveice10/packetlib/tcp/TcpServer.java

@@ -15,6 +15,8 @@
 import io.netty.channel.epoll.EpollEventLoopGroup;
 import io.netty.channel.epoll.EpollServerSocketChannel;
 import io.netty.channel.*;
+import io.netty.channel.kqueue.KQueueEventLoopGroup;
+import io.netty.channel.kqueue.KQueueServerSocketChannel;
 import io.netty.channel.nio.NioEventLoopGroup;
 import io.netty.channel.socket.ServerSocketChannel;
 import io.netty.channel.socket.nio.NioServerSocketChannel;
@@ -55,6 +57,10 @@ public void bindImpl(boolean wait, final Runnable callback) {
                 this.group = new EpollEventLoopGroup();
                 this.serverSocketChannel = EpollServerSocketChannel.class;
                 break;
+            case KQUEUE:
+                this.group = new KQueueEventLoopGroup();
+                this.serverSocketChannel = KQueueServerSocketChannel.class;
+                break;
             case NIO:
                 this.group = new NioEventLoopGroup();
                 this.serverSocketChannel = NioServerSocketChannel.class;