Can't load CDN js files while inside corporate network.

[ranma2913]

Hi, my companies corporate network doesn't allow CDN access since the Shai-Hulud (September 2025) npm supply chain attack.

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.6/dist/js/bootstrap.bundle.min.js"
            integrity="sha384-j1CDi7MgGQ12Z7Qab0qlWQ/Qqz24Gc6BM0thvEMVjHnfYGF0rmFCozFSxQBxwHKO"
            crossorigin="anonymous"></script>
    <script src="https://code.jquery.com/jquery-3.7.1.min.js"
            integrity="sha384-1H217gwSVyLSIfaLxHbE7dRb3v4mYCKbpQvzx0cegeju1MVsGrX5xXxAvs/HgeFs"
            crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/jquery-validation@1.21.0/dist/jquery.validate.min.js"
            integrity="sha384-INLNT6YPpjCRFM2xpOexEE3T4i2mIigf+Kr19b7a59RFtrVBZQzZWXkGuiMA/q1r"
            crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/jquery-validation@1.21.0/dist/additional-methods.min.js"
            integrity="sha384-YJxXUyJ0BogsbWMDJj4h3uJVyImZsAI6qh7MG2LGgxMstOXB8G1mNwaRuL4A6VYb"
            crossorigin="anonymous"></script>

Since this project already uses npm to install local deps, let's just use that instead of CORS CDN urls.