User Story 3: The merchant model will have many discounts

[priyapower]

This application will update the Merchant.rb model
Merchant will have many discounts

[priyapower]

This was completed 2 PR's ago
Using this PR to create a pretty in depth and full seeds file

[priyapower]

Added in depth seeds
Main things to remember
I have:

• merchants
• discounts
• items
• orders
• order items
• reviews
  And finally
• users (tim@user.com password:user)(mike@user.com password:user)(kat@user.com password:user)(brian@user.com password:user)
• merchant_user (anya@merechant.com password:merchant)(dawn@merechant.com password:merchant)
• admin (admin@admin.com password:admin)