Force a link to download a file using laravel

the link

i want to be able to click on a link and it downloads a file from laravel public folder, please i need to see the routes and controller to i need to write to achieve this.

could do achieve this via php only:

if (isset($_GET["download"])){

    $search = $_GET["download"];
    $dir =  $clipDir->clip_path1($search); 
    $Base = basename($dir);

    if (file_exists($dir)) {
    header('Content-Description: File Transfer');
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename='.$Base);
    header('Expires: 0');
    header('Cache-Control: must-revalidate');
    header('Pragma: public');
    header('Content-Length: ' . filesize($dir));
    ob_clean();
    flush();
    readfile($dir);
    exit;
    }  else {
    echo 'File Dont Exit <br />'.  print_r($dir);
    return false;

}

file are stored in laravels public folder

via Chebli Mohamed