Add backend validation, file upload, and Nodemailer for contact form

[gaurivvv]

• Added backend validation for name, email, and message fields
• Implemented file upload support (PDF/DOCX) using Multer
• Integrated Nodemailer to send emails upon form submission
• Enhanced security with CORS, rate limiting, and helmet headers
• Tested API using Thunder Client

[vercel]

@gaurivvv is attempting to deploy a commit to the LolPanda2004's projects Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

Thanks for creating a PR for your Issue! ☺️

We'll review it as soon as possible.
In the meantime, please double-check the file changes and ensure that all commits are accurate.

If there are any unresolved review comments, feel free to resolve them. 🙌🏼

[lolpanda2004]

@gaurivvv there are branch conficts

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
amour-editorial-website	Ready	Preview	Comment	Sep 9, 2025 3:50pm

[gaurivvv]

Hi @team,

The backend for the contact form has been fully implemented and tested. Features include:

Validation for name, email, and message fields
File upload support (PDF/DOCX) using Multer
Nodemailer integration to send emails on submission
Enhanced security with CORS, rate limiting, and helmet headers
API tested successfully using Thunder Client
All conflicts with main have been resolved and the branch is up-to-date.