Backend of a basic E-Commerce application

Technologies used - Node, Express, JWT and MongoDB.

Intention - I create this basic application to practice these technologies for first time.

Features - v1 (first commit) -

1. Signup as user or admin.
2. Login using Token based Authentication.(used JWT)
3. Admin can login and create new categories.
4. User can view categories.

Working on

1. Admin should able to create new items under each categories.
2. User should able to create Cart.
3. User should able to add and delete items from the cart.