Implement Signup feauture

# Overview
Currently, there is no signup feature, but only a login. You are to implement a signup feature that creates a new Django user with all the necessary details and confirmations that Django requires for the user signup as in its admin page.

# Requirements
### 1. The signup page must create a new django-user for the signup and create users that work with the rest of the database and project seamlessly.
### 2. The UI of the signup page must go well with the UI of the entire project.
#### *(Hint, you may take inspiration from https://github.com/acmpesuecc/Fintrack )*
### 3. Newly created users must be able to login and use the website as any other registered user would.
### 4. *Extra Bounty Points* if email is verified by sending an email (with OTP or link or anything else) during signup.