validation added on get a book form

[Geeta259]

1465

👨‍💻 Changes proposed

JS validation add in form to enhance user experience Validation add for empty field validation add for contact number if any error occurs error message show below of that field highlighted that field by red bottom border

✔️ Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

📷 Screenshots

@rohanbabbar04 issue#1465 resolved.

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