Add Wireguard maunal config

No support for export and import via links yet

V2rayNG/app/src/main/kotlin/com/v2ray/ang/util/V2rayConfigUtil.kt

@@ -402,7 +402,6 @@ object V2rayConfigUtil {
     private fun updateOutboundWithGlobalSettings(outbound: V2rayConfig.OutboundBean): Boolean {
         try {
             var muxEnabled = settingsStorage?.decodeBool(AppConfig.PREF_MUX_ENABLED, false)
-
             val protocol = outbound.protocol
             if (protocol.equals(EConfigType.SHADOWSOCKS.name, true)
                 || protocol.equals(EConfigType.SOCKS.name, true)
@@ -414,7 +413,6 @@ object V2rayConfigUtil {
             ) {
                 muxEnabled = false
             }
-
             if (muxEnabled == true) {
                 outbound.mux?.enabled = true
                 outbound.mux?.concurrency =
@@ -428,6 +426,14 @@ object V2rayConfigUtil {
                 outbound.mux?.concurrency = -1
             }
 
+            if (protocol.equals(EConfigType.WIREGUARD.name, true)) {
+                val localTunAddr = mutableListOf("172.16.0.2/32")
+                if (settingsStorage?.decodeBool(AppConfig.PREF_PREFER_IPV6) == true) {
+                    localTunAddr.add("2606:4700:110:8f81:d551:a0:532e:a2b3/128")
+                }
+                outbound.settings?.address = localTunAddr
+            }
+
             if (outbound.streamSettings?.network == DEFAULT_NETWORK
                 && outbound.streamSettings?.tcpSettings?.header?.type == HTTP
             ) {