idevice*, iproxy: add pages (#14363)

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages/common/iproxy.md

@@ -0,0 +1,20 @@
+# iproxy
+
+> A proxy that binds local TCP ports to be forwarded to the specified ports on a usbmux device.
+> More information: <https://manned.org/iproxy>.
+
+- Bind a local TCP port and forward it to a port on the connected USB device:
+
+`iproxy {{local_port}}:{{device_port}}`
+
+- Bind multiple local TCP ports and forward them to the respective ports on the connected USB device:
+
+`iproxy {{local_port1}}:{{device_port1}} {{local_port2}}:{{device_port2}}`
+
+- Bind a local port and forward it to a specific device by UDID:
+
+`iproxy --udid {{device_udid}} {{local_port}}:{{device_port}}`
+
+- Bind a local port and forward it to a network-connected device with WiFi sync enabled:
+
+`iproxy --network {{local_port}}:{{device_port}}`