index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.1/css/all.min.css" integrity="sha512-+4zCK9k+qNFUR5X+cKL9EIR+ZOhtIloNl9GIKS57V1MyNsYpYcUrUeQc9vNfzsWfV28IaLL3i96P9sdNyeRssA==" crossorigin="anonymous" />
    <link rel="stylesheet" href="style.css">
    <title>Note App-Js</title>
</head>
<body>
    <span>Daily Notes! Build with JS</span>
    <button class="add" id="add"><i class="fas fa-plus"></i> Add note</button>

    <script src="https://cdnjs.cloudflare.com/ajax/libs/marked/1.2.7/marked.min.js" integrity="sha512-Sl04EWeJ0QgILm83WoubQbZqh71aWLJP8xnswnKSBI37S+ZtrWVtSHmd1YaYYdC1g9PWN1siY7KO2jU3HtCVHA==" crossorigin="anonymous"></script>
    <script src="main.js"></script>
</body>
</html>