Return all the bookings that the current user has made. - [x] An authenticated user is required for a successful response - [x] Successful response includes only bookings created by the current user - [x] Booking data returned includes the `id`, `spotId`, `userId`, `startDate`, `endDate`, `createdAt`, and `updatedAt` - [ ] Booking data returns associated data for `Spot`, including the `id`, `ownerId`, `address`, `city`, `state`, `country`, `lat`, `lng`, `name`, `price` and `previewImage`