`orders`

id
number - unique order number for frontend (hide real ID)
user_id - customer, FK to users
user_created - user was registered after this order
email, user_name, address, contacts - fields from forms may differ from current customer data
currency - currency of the order
outside (boolean) - delivery outside the city
delivery_price - delivery cost in the currency
total_price - total price in the currency (including delivery_price)
status
- created
- delivery
- success
- fail
created_at - time when customer create order
finalized_at - time of final status (success or fail)

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