Add macro for creating a list
Add macro for creating a list

This also allows us to pass a list in as a variable to a template, which, in
turn, allows us to make things like a re-usable landing page search template
for ATF

18F/regulations-site,eregs/regulations-site,eregs/regulations-site,tadhg-ohiggins/regulations-site,18F/regulations-site,tadhg-ohiggins/regulations-site,18F/regulations-site,18F/regulations-site,tadhg-ohiggins/regulations-site,eregs/regulations-site,eregs/regulations-site,tadhg-ohiggins/regulations-site