added LEDE WNDR4700 to wikidev
@ https://wikidevi.com/wiki/Netgear_WNDR4700
unable to edit openwrt main page, (to link here)
added LEDE WNDR4700 to wikidev
@ https://wikidevi.com/wiki/Netgear_WNDR4700
unable to edit openwrt main page, (to link here)