fix #nomads profile /@samantics (founder of Nexstand) didn’t open because the username ended with “ics” and nginx matches .ics for iCal format profile export but it was “rewrite ^/([a-zA-Z0-9\-_@]+).ics/?$” instead ofrewrite ^/([a-zA-Z0-9\-_@]+)\.ics/?$” (slash on period)