Email log in and register

[AndrewZuo01]

🔍 What type of PR is this?

/kind feature

👀 What this PR does / why we need it:

Add a new feature.

🅰 Which issue(s) this PR fixes:

No related issue.

📝 Special notes for your reviewer:

This feature enhances the application by adding email register and login. It has been thoroughly tested and aligns with the project's guidelines.

🎯 Describe how to verify it

Please run make all to verify the feature. All tests have passed locally.

📑 Additional documentation e.g., RFC, notion, Google docs, usage docs, etc.:

• RFC Document: [Link to RFC document]
• Usage Documentation: [Link to usage documentation]

[kubbot]

CLA Assistant Lite bot 🤖 All Contributors have signed the chat CLA.
The signed information is recorded 🤖here

[sweep-ai]

Apply Sweep Rules to your PR?

• Apply: All new business logic should have corresponding unit tests.
• Apply: Refactor large functions to be more modular.
• Apply: Add docstrings to all functions and file headers.

[AndrewZuo01]

I have read the CLA Document and I hereby sign the CLA

[cubxxw]

I would like to suggest the addition of testing functions and test cases.

[AndrewZuo01]

I have read the CLA Document and I hereby sign the CLA