add seed file
Merge pull request #1 from mattdubois2/create-seeds

add seed file
migrations completed
Merge pull request #3 from Nase00/associations

added associations
Merge pull request #2 from Nase00/migrations

migrations completed
write seed data for users, decks, and cards
Merge pull request #4 from mattdubois2/create-seeds

write seed data for users, decks, and cards
edited seeds and migration files by adding timestamps and changing typos