build a javascript to easily change website colours theme
<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Theme Switcher</title>
<link rel="stylesheet" href="./style.css">
<link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700;900&display=swap" rel="stylesheet">
<link rel="stylesheet" id="switcher-id" href="">
</head>
<body>
<header>
<h1>???? THEME SWITCHER</h1>
<div class="theme-switches">
<div data-theme="light" class="switch" id="switch-1"></div>
<div data-theme="sky" class="switch" id="switch-2"></div>
<div data-theme="purple" class="switch" id="switch-3"></div>
<div data-theme="dark" class="switch" id="switch-4"></div>
</div>
</header>
<div class="container">
<div class="box">
<img src="https://images.unsplash.com/photo-1597926588114-2d9c1190b5c7?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=923&q=80"
alt="Placeholder" class="image">
<div class="text">
<h3>A Sweet Heading</h3>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
tempor incididunt ut labore et dolore magna aliqua. Ut enim
ad minim veniam, quis nostrud exercitation ullamco laboris
nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor
in reprehenderit in voluptate velit esse cillum dolore eu fugiat
nulla pariatur. Excepteur sint occaecat cupidatat non proident,
sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</div>
</div>
<script src="./script.js"></script>
</body>
</html>