devices: add instructions for Netgear WAX220

devices.js

@@ -638,6 +638,7 @@ var devices_info = {
     "EX6150": "https://freifunk-ingolstadt.de/eigener-freifunk-hotspot/anleitung/installationsanleitung-fuer-netgear-wi-fi-range-extender-ex6150-v2/",
     "R6120": "https://freifunk-ingolstadt.de/eigener-freifunk-hotspot/anleitung/installationsanleitung-fuer-netgear-r6120/",
     "R6220": "https://freifunk-ingolstadt.de/installationsanleitung-fuer-netgear-r6220/",
+    "WAX220": "https://openwrt.org/toh/netgear/wax220#oem_easy_installation",
   },
   "RAVPower": {
     "RP-WD009": "https://openwrt.org/toh/ravpower/rp-wd009#oem_installation_using_the_tftp_method"