include routines on the front page

this might change in future when we have too many of them

htmlify.pl

@@ -40,6 +40,7 @@ ($out_dir = 'html')
             next if $name ~~ /\s/;
             %names{$name}<routine>.push: "/type/$podname.html#$name";
             %routines{$name}.push: $podname => $chunk;
+            %types<routine>{$name} = "/routine/$name";
         }
         unlink $tempfile;
     }
@@ -127,6 +128,10 @@ ($out_dir = 'html')
         %types<type>.sort.map({
             pod-item(pod-link(.key, .value))
         }),
+        pod-heading('Routines'),
+        %types<routine>.sort.map({
+            pod-item(pod-link(.key, .value))
+        }),
     );
     my $file = open :w, "$out_dir/index.html";
     $file.print: pod2html($pod);