index.html

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
    <link rel="stylesheet" href="css/style.css">
  </head>
  <body>
    <div class="app">
      <ul class="list-item" id="list-item">
        
      </ul>
      <div class="controlers">
      <label for="controlers-input">
        <input type="text" name="" value="" class="controlers-input" id="controler-input">
      </label>
      <button type="button" class="controls_add" id="addButton"name="button"> add task</button>
      </div>
    </div>

    <script type="text/javascript" src="model.js">

    </script>
    <script type="text/javascript" src="viev.js">

    </script>
    <script type="text/javascript" src="controler.js">

    </script>
    <script type="text/javascript" src="app.js">

    </script>

  </body>
</html>