enhance: Email Notifications for Invoices

[Aditya8369]

Added email notifications for invoices

Changes

Modified services\invoiceService.js

fixed #386

[vercel]

@Aditya8369 is attempting to deploy a commit to the Renu's projects Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

🎉 Thanks for the PR, @Aditya8369!

We really appreciate you taking the time to contribute to ExpenseFlow! 💙

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• Your code follows the project's coding standards
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Project	Deployment	Review	Updated (UTC)
expenseflow	Ready	Preview, Comment	Jan 28, 2026 10:32am