Trivial API utilising graphology

Use

Invoke node app.js and send http requests to port 3000 as below.

Create a route between places

POST /route/

{"places": ["X1Y1", "X4Y6"], "time": 10, "cost": 50}

Get the routes from a place

GET /route/:place/

{"routes": [{"places": ["X1Y1", "X4Y6"], "time": 10, "cost": 50}]}

Get all the routes

GET /route/

{"routes": [{"route": ["X1Y1", "X4Y6"], "time": 10, "cost": 50}]}

Get the route with the fewest stops from place to place and the total time and cost of the route

GET /route/:fromPlace/:toPlace"

{"stops": 0, "cost": 50, "time": 10}