iwlist: add page (#12460)

* iwlist: add page

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

pages/linux/iwlist.md

@@ -0,0 +1,36 @@
+# iwlist
+
+> Get detailed information from a wireless interface.
+> More information: <https://manned.org/iwlist.8>.
+
+- Display the list of access points and ad-hoc cells in range:
+
+`iwlist {{wireless_interface}} scan`
+
+- Display available frequencies in the device:
+
+`iwlist {{wireless_interface}} frequency`
+
+- List the bit-rates supported by the device:
+
+`iwlist {{wireless_interface}} rate`
+
+- List the WPA authentication parameters currently set:
+
+`iwlist {{wireless_interface}} auth`
+
+- List all the WPA encryption keys set in the device:
+
+`iwlist {{wireless_interface}} wpakeys`
+
+- List the encryption key sizes supported and list all the encryption keys set in the device:
+
+`iwlist {{wireless_interface}} keys`
+
+- List the various power management attributes and modes of the device:
+
+`iwlist {{wireless_interface}} power`
+
+- List generic information elements set in the device (used for WPA support):
+
+`iwlist {{wireless_interface}} genie`