[FEAT] : Implement Email Domain Validation in Signup Form

[ygowthamr]

Issue Summary

Implement Email Domain Validation in Signup Form

Issue Description

1. Email Domain Validation:

   • Implementing a function to allow only trusted domains: gmail.com, outlook.com, yahoo.com, protonmail.com, icloud.com, and tutanota.com.

2. Invalid Email Handling:

   • Displays an error message if the entered email does not belong to a trusted provider.

3. Real-Time Feedback:

   • Users receive instant error messages to improve input accuracy and user experience.

4. Impact:

   • Helps prevent spam and ensures reliable communication with genuine users.

@Vimall03
Pls assign me this issue and give me labels, level.

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