Implemented query to retrieve all street IDs
Implemented query basically identical to get-camera-list Lambda.
Tested by manually creating camera entity entries in the DynamoDB table:
- First street:
- PK: baseEntity
- SK: street#street_1
- airQualityLimit: 0.7
- cameras: [ { "S" : "camera_1" }, { "S" : "camera_2" } ]
- station: station_1
- trafficCapacity: 42
- Second street:
- PK: baseEntity
- SK: street#street_2
- airQualityLimit: 0.5
- cameras: [ { "S" : "camera_3" } ]
- station: station_1
- trafficCapacity: 69
Returned result: ["street_1", "street_2"]
Closes #23 (closed)