add seed data for ALL model
add happy hour seed info.
Merge seed data and skeleton
Fix typo on begins_at field for HappyHour model
fix seed issue. no location_id
Fix one-to-one relationship:
Between businesses and locations
revise seed data
Add has_many happy_hours to business model
Create many-to-many relationship:
Between offer and day models
Adjust seed data for relationships
Create basic index view