add ecosystem to the index

Author: gfldex

doc/Language/faq.pod6

@@ -91,7 +91,7 @@ See the 'rb-nutshell' pod under L<https://docs.perl6.org/language/rb-nutshell>
 =head1 Modules
 
 =head2 Is there a CPAN for Perl 6?
-X<|CPAN (FAQ)>
+X<|CPAN (FAQ)>X<|ecosystem>
 
 There isn't yet a module repository for Perl 6 as sophisticated as CPAN. But
 L<modules.perl6.org|https://modules.perl6.org/> has a list of known Perl 6