<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Upload a new PDF</title>
</head>
<body>
    <h1>Upload a PDF file to summarize</h1>
    <form method=post enctype=multipart/form-data>
        <input type=file name=file>
        <input type=submit value=Upload>
    </form>
</body>
</html>