To test the api

• clone the repository to local storage
• run npm install
• run npm install --save-dev
• connect to mongodb server
• run npm start
• Login through a dummy email and password
• login 2 3 more emails to follow and get following
• after login you will get a access token
• copy the token and paste in headers section of postman or paste in task.js file
• accessToke = token
• take a post id where a post id is required
• for delete post only take id of post which belongs to that user