changed some code layout, handle categories in separate directory
[confetti] / cards /
drwxr-xr-x   ..
-rw-r--r-- 8741 cards.css
drwxr-xr-x - categories
-rwxr-xr-x 1188 edit_card.sh
-rwxr-xr-x 831 export_card.sh
-rwxr-xr-x 1496 filter_card.sh
-rwxr-xr-x 716 index.cgi
-rwxr-xr-x 4983 l10n.sh
-rwxr-xr-x 6022 list.sh
-rwxr-xr-x 1257 new_card.sh
-rwxr-xr-x 4493 update_card.sh
-rwxr-xr-x 10475 widgets.sh