Third-party notices: Free Contractor Estimate & Invoice PDF Generator

1) jsPDF 4.2.1, https://github.com/parallax/jsPDF
   File: vendor/jspdf.umd.min.js (unmodified)
   License: MIT. Full text: vendor/LICENSE-jspdf.txt
   Copyright (c) 2010-2025 James Hall, https://github.com/MrRio/jsPDF
   Copyright (c) 2015-2025 yWorks GmbH, https://www.yworks.com/

2) simple-html-invoice-template, https://github.com/sparksuite/simple-html-invoice-template
   File: invoice.css (adapted; see header comment for changes)
   License: MIT. Full text: vendor/LICENSE-simple-html-invoice-template.txt
   Copyright (c) 2021 Sparksuite

All other files (index.html, app.js, app.css, favicon.svg) are original to this tool.