add phone number validation

[SinghAditya104]

Is there an existing issue for this?

• [X] I have searched the existing issues

Feature Description

give a limit on phone number on contact us

Use Case

just use for validation and make intractive for user

Benefits

No response

Add ScreenShots

Priority

Medium

Record

• [X] I have read the Contributing Guidelines
• [X] I'm a GSSOC'24 contributor
• [X] I have starred the repository

[github-actions[bot]]

Thank you for creating this issue! We'll look into it as soon as possible. Your contributions are highly appreciated! 😊

[MastanSayyad]

Already assigned to someone else! Please look for some other issues!