index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <title>Document</title>
    <style>
    .oline:hover{
    text-decoration: line-through;
    cursor: pointer;
}
    #king:hover{
        cursor: pointer;
    }

    </style>
</head>
<body>

    <nav class="navbar navbar-dark" style="background-color: green;">
        <div class="container-fluid">
          <a class="navbar-brand" onClick="window.location.reload()" id="king">Todo List</a>
        </div>
    </nav>
      
    <div class="input-group mb-3 p-5 pb-2 ">
        <input type="text" class="form-control" placeholder="Todo List" id="TextValue">
        <button class="btn btn-dark" type="button" id="button-addon1" onclick="addList()">Add to List</button>
      </div>
    <ul class="list-group ps-5 pe-5" id="list">
        
    </ul>

<script src="app.js"></script>
</body>

</html>