GET / => returns all stored items
POST /api/add/:key/:value => creates a new key-value pair
GET /api/read/:key => Read in-memory value, stored with key (IF EXISTS)
POST /api/update/:key/:value => Update Value at Key entry, (IF EXISTS)
POST /api/delete/:key => Delete entry at Key, if it EXISTS
run in the project folder
npm install
Make sure redis server is running in the background, get it here https://redis.io/download
run
node app.js
Visit http://localhost:8081