Fix galleria URL by prepending slash /
Fix galleria URL by prepending slash /

The gallery on the homepage was broken for one specific URL:

www.gocongress.org/2020/

These worked:

www.gocongress.org/2020
www.gocongress.org/

usgo/gocongress,usgo/gocongress,usgo/gocongress,usgo/gocongress