updated the json+ld section, issue https://github.com/WPN-XM/WPN-XM/issues/281
updated the json+ld section, issue https://github.com/WPN-XM/WPN-XM/issues/281

Conflicts:
	index.html

WPN-XM/website-wpn-xm.org,WPN-XM/website-wpn-xm.org,WPN-XM/website-wpn-xm.org,WPN-XM/website-wpn-xm.org