Create a Booking from a Spot based on the Spot's id

[ChristoGrab]

Create and return a new booking from a spot specified by id.

• An authenticated user is required for a successful response
• A user is only authorized to create a booking if they do NOT own the spot
• New booking exists in the database after request
• Booking data returned includes the id, userId, spotId, startDate,
  endDate, createdAt, and updatedAt
• Error response with status 404 is given when a spot does not exist with
  the provided id
• Error response with status 403 is given when a booking already exists for
  the spot on the specified dates

[ChristoGrab]

403 Error response works for dates within a booking but not without