refactor package

pkg/protocol/packet/login/client/cookie_request.go

@@ -0,0 +1,18 @@
+package client
+
+import "github.com/Tnze/go-mc/data/packetid"
+
+//codec:gen
+type LoginCookieRequest struct {
+	Key string `mc:"Identifier"`
+}
+
+func (LoginCookieRequest) PacketID() packetid.ClientboundPacketID {
+	return packetid.ClientboundLoginCookieRequest
+}
+
+func init() {
+	registerPacket(packetid.ClientboundLoginCookieRequest, func() ClientboundPacket {
+		return &LoginCookieRequest{}
+	})
+}