Add UDP VLite protobuf config

proxy/vlite/inbound/config.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package v2ray.core.proxy.vlite.inbound;
+option csharp_namespace = "V2Ray.Core.Proxy.Vlite.Inbound";
+option go_package = "github.com/v2fly/v2ray-core/v5/proxy/vlite/inbound";
+option java_package = "com.v2ray.core.proxy.vlite.inbound";
+option java_multiple_files = true;
+
+message UDPProtocolConfig {
+  string password = 3;
+  bool scramble_packet = 4;
+  bool enable_fec = 5;
+  bool enable_stabilization = 6;
+}

proxy/vlite/outbound/config.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+package v2ray.core.proxy.vlite.outbound;
+option csharp_namespace = "V2Ray.Core.Proxy.Vlite.Outbound";
+option go_package = "github.com/v2fly/v2ray-core/v5/proxy/vlite/outbound";
+option java_package = "com.v2ray.core.proxy.vlite.outbound";
+option java_multiple_files = true;
+
+import "common/net/address.proto";
+
+message UDPProtocolConfig {
+  v2ray.core.common.net.IPOrDomain address = 1;
+  uint32 port = 2;
+
+  string password = 3;
+  bool scramble_packet = 4;
+  bool enable_fec = 5;
+  bool enable_stabilization = 6;
+}

proxy/vlite/vlite.go

@@ -0,0 +1,4 @@
+// Package vlite contains the integration code for VLite protocol variety
+//
+// VLite is currently an experimental protocol, its stability is not guaranteed.
+package vlite