first pass at live data!  lots more todo - see notes

what works:
- repeatable random sequences work
- seed hard-coded to "1" for now
- numCards hard-coded to 5

what doesn't:
- front page form (e.g. choose candy + card count)
- REST url to specific card
- pull from cache file instead of google
-  admin actions e.g. /admin/dump-data,  /admin/update-cache  (do we even want these?
adding placeholder image
adding /admin/dump route
forgot to add seed-random module!