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="shortcut icon" href="./assets/icon.png" type="image/x-icon">
        <link rel="stylesheet" href="style.css">
        <title>Todo List | Create your own Todolist now!</title>
    </head>
    <body>

        <div class="container">
            <h2>Todo List <img src="./assets/icon.png" alt="Icon"></h2>

            <div class="input-container">
                <input type="text" id="input-box" placeholder="Add New task">
                <button onclick="addTask()">Add</button>
            </div>

            <ul class="list-container">
                <!-- <li class="checked">Task 1</li>
                <li>Task 2</li>
                <li>Task 3</li> -->
            </ul>
        </div>

        <script src="app.js"></script>
    </body>
</html>