Add menu options for Mux

V2rayNG/app/src/main/res/values/arrays.xml

@@ -179,4 +179,10 @@
         <item>fa</item>
         <item>ar</item>
     </string-array>
+
+    <string-array name="mux_xudp_quic_value" translatable="false">
+        <item>reject</item>
+        <item>allow</item>
+        <item>skip</item>
+    </string-array>
 </resources>

V2rayNG/app/src/main/res/values/strings.xml

@@ -103,7 +103,14 @@
     <string name="summary_pref_per_app_proxy">General: Checked App is proxy, unchecked direct connection; \nbypass mode: checked app directly connected, unchecked proxy. \nThe option to automatically select the proxy application in the menu</string>
 
     <string name="title_pref_mux_enabled">Enable Mux</string>
-    <string name="summary_pref_mux_enabled">Enable maybe speed up network and switch network maybe flash</string>
+    <string name="summary_pref_mux_enabled">Faster, but it may cause unstable connectivity\nTCP traffic mux with default 8 connections，customize how to handle UDP and QUIC below</string>
+    <string name="title_pref_mux_xudp_concurency">XUDP connections（range -1 to 1024）</string>
+    <string name="title_pref_mux_xudp_quic">Handling of QUIC in mux tunnel</string>
+    <string-array name="mux_xudp_quic_entries">
+        <item>reject</item>
+        <item>allow</item>
+        <item>skip</item>
+    </string-array>
 
     <string name="title_pref_speed_enabled">Enable speed display</string>
     <string name="summary_pref_speed_enabled">Display current speed in the notification.\nNotification icon would change based on