[DOCS] Adding Sign Up page

[dhairyagothi]

Issue Description

adding a sign up page

Screenshots or Examples (if applicable)

No response

Proposed Solution (optional)

No response

Checklist

• I have checked the existing issues
• I have read the Contributing Guidelines
• I am willing to work on this issue (optional)

[dhairyagothi]

@pooranjoyb please assign me

[pooranjoyb]

Congratulations, @dhairyagothi! 🎉 Thank you for creating your issue. Your contribution is greatly appreciated and we look forward to working with you to resolve the issue. Keep up the great work!

We will promptly review your changes and offer feedback. Keep up the excellent work! Kindly remember to check our contributing guidelines

[pooranjoyb]

We already have the Signup Page