Added eye toggling functionality for Login/Signup Page (#368)

[Ayushmaanagarwal1211]

Description

I added the password toggling functionality in the login and signup page by which user can hide or show the password . I added a small code of jsx and tailwind css to make it work .

closes : #368

Screenshots / GIFs (if applicable)

https://github.com/Innovateninjas/Paws-frontend/assets/118350936/e73f150b-7292-4161-a036-1c5b883970f3

Checklist:

• [x] I have performed a self-review of my code
• [ ] I have added/updated relevant documentation (if needed)
• [x] I have tested the changes locally and they function as expected
• [x] I have ensured my code follows the project's coding standards