add rel="me" to org.website link (#21941)

This lets organizations verify their link on 3rd party websites.

templates/org/home.tmpl

@@ -16,7 +16,7 @@
 			{{if $.RenderedDescription}}<p class="render-content markup">{{$.RenderedDescription|Str2html}}</p>{{end}}
 			<div class="text grey meta">
 				{{if .Org.Location}}<div class="item">{{svg "octicon-location"}} <span>{{.Org.Location}}</span></div>{{end}}
-				{{if .Org.Website}}<div class="item">{{svg "octicon-link"}} <a target="_blank" rel="noopener noreferrer" href="{{.Org.Website}}">{{.Org.Website}}</a></div>{{end}}
+				{{if .Org.Website}}<div class="item">{{svg "octicon-link"}} <a target="_blank" rel="noopener noreferrer me" href="{{.Org.Website}}">{{.Org.Website}}</a></div>{{end}}
 			</div>
 		</div>
 	</div>