Add Attributes to Parking Availability API

[a6wu]

Time Tracking: MA-84

Update the API to include the following attributes:

• Neighborhood
• isStructure [true, false]

Steps to complete this task:

1. Go to the ParkingAvailabilityRouter Lambda
2. Create NeighborhoodsMap.json in the ParkingAvailabilityRouter folder
3. Map each parking lot to its corresponding isStructure and Neighborhood attribute found here
4. In index.js, add const neighborhoodMapping = require('./NeighborhoodsMap.json') to the top of the file.
5. In index.js, add code to lookup each parking lot in NeighborhoodMap.json, and insert isStructure and Neighborhood attributes to the parking API (lines 87-93 in the ParkingAvailabilityRouter Lambda function)