webui: Do not display pageing arrow if we have exactly 6 clients on networkmap
webui: Report FA state on Sysinfo page (if supported)
Updated documentation
webui: Fix Auto mode for AC68/AC56 5GHz wifi (backport from Asus 2381)
webui: This was probably still broken for the AC66, since nmode_x 1 = N only.  I don't know if the new N/AC mode is supported by it, so for now simply fix the mode 1 label.
Updated documentation