// INSTALLLATION
=>  Initiate NPM
=>  Install express for local PORT
=>  Install nodemon to run our application
=>  install body-parser in order to get access to the post data,
    which allows express to read the body and then parse that into a Json object that we can understand

=>  Install MySQL2
=>  Install sequelize cli and init sequelize
=>  Include .env file
=>  Install dotenv and import in index
=>  Install multer for image upload

------------------------------
            API LIST
------------------------------

1. USERS - CRUD
    GET - LIST  -
    POST- ADD   -
    GET - VIEW  -
    PUT - EDIT  -
    PUT - DEL   -

2. MEDICINE - CRUD
    GET - LIST  -
    POST- ADD   -
    GET - VIEW  -
    PUT - EDIT  -
    PUT - DEL   -

3. COMPANY - CRUD
    GET - LIST  -
    POST- ADD   -
    GET - VIEW  -
    PUT - EDIT  -
    PUT - DEL   -

4. SUBSCRIPTION - CRUD
    GET - LIST  -
    POST- ADD   -
    GET - VIEW  -
    PUT - EDIT  -
    PUT - DEL   -

5. LOGIN 
     POST- LOGIN