CS3021 - merged API Mashathon Wheel.

The logic selecting random api moved to the server side from the client side. Server picks the random api up, and then save it to the REDIS. Mashathon model has the business logic and is interfacing with the REDIS.

## routes
GET /mashathon : displays mashathon api wheel
GET /mashathon/result : displays the results
POST /mashathon/pick : request to select random api, server responses with the selected api name.