Move JS and non-essential CSS back to the end of page
Move JS and non-essential CSS back to the end of page

See this discussion: https://github.com/perl6/modules.perl6.org/commit/ecf43bf612d0097185692ea4da2f59dcf9df6ed3#commitcomment-14273618

perl6/modules.perl6.org,perl6/modules.perl6.org,perl6/modules.perl6.org,perl6/modules.perl6.org