Add version field to Hysteria2 config

V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt

@@ -88,6 +88,7 @@ data class V2rayConfig(
             var reserved: List<Int>? = null,
             var mtu: Int? = null,
             var obfsPassword: String? = null,
+            var version: Int? = null,
         ) {
 
             data class VnextBean(

V2rayNG/app/src/main/java/com/v2ray/ang/fmt/Hysteria2Fmt.kt

@@ -96,6 +96,7 @@ object Hysteria2Fmt : FmtBase() {
         outboundBean.settings?.let { server ->
             server.address = getServerAddress(profileItem)
             server.port = profileItem.serverPort.orEmpty().toInt()
+            server.version = 2
         }
 
         val sni = outboundBean.streamSettings?.let {