hpar4795

This API is used to get bookings info for each listing on flarebnb and ability for users to book a listing and update the booking doc in database
The API takes get requests to '/bookings/:id/ which will respond back with that booking's id information, and post requests to 
'/bookings/:id' which will update the checkin and checkout fields for the booking with the matching id field. 

sample request:
localhost:3004/bookings/3

sample response:
[
    {