customer

type Contact struct {
	FirstName string
	LastName  string
	Address   string
	City      string
	State     string
	Zip       string
}

type Customer struct {
	PK         string
	SK         string
	GSI2PK     string
	Phone      string // Customer's unique key.
	StorePhone string // Foreign key to customer's store.
	Contact    Contact
}

type CustomerRental struct {
	PK    string
	SK    string
	Phone string
	Date  time.Time
}