Add simple auto redirect for Android

docs/configuration/inbound/redirect.md

@@ -1,3 +1,11 @@
+---
+icon: material/new-box
+---
+
+!!! quote "Changes in sing-box 1.9.0"
+
+    :material-plus: [auto_redirect](#auto_redirect)
+
 !!! quote ""
 
     Only supported on Linux and macOS.
@@ -9,6 +17,11 @@
   "type": "redirect",
   "tag": "redirect-in",
 
+  "auto_redirect": {
+    "enabled": false,
+    "continue_on_no_permission": false
+  },
+
   ... // Listen Fields
 }
 ```
@@ -16,3 +29,23 @@
 ### Listen Fields
 
 See [Listen Fields](/configuration/shared/listen/) for details.
+
+### Fields
+
+#### `auto_redirect`
+
+!!! question "Since sing-box 1.10.0"
+
+!!! quote ""
+
+    Only supported on Android.
+
+Automatically add iptables nat rules to hijack **IPv4 TCP** connections.
+
+It is expected to run with the Android graphical client (it will attempt to su at runtime).
+
+#### `auto_redirect.continue_on_no_permission`
+
+!!! question "Since sing-box 1.10.0"
+
+Ignore errors when the Android device is not rooted or is denied root access.