feat: Add JWT for Authentication and Authorization

[Rishav1707]

Add the JWT support for Authentication and Authorization.

• Now the user token is stored in the localstorage irrespective of all the user details.
• Secured route is present which verify the token in order to make the user authentic.
• Middlewares is also present in order to verify the end user.

Reference

React.App.-.Google.Chrome.2024-05-16.18-33-37.mp4

Solved the issue #10