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">
    <title>Jira Ticket</title>
    <link rel="stylesheet" href="./style.css">

    <link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/>
    <link rel="manifest" href="/manifest.json">
</head>
<body>
    <div class="toolbox-cont">

        <div class="toolbox-priority-cont">
            <div class="priority-item col-yellow"></div>
            <div class="priority-item col-blue"></div>
            <div class="priority-item col-red"></div>
            <div class="priority-item col-green"></div>
        </div>
        <div class="action-btn-cont">
            <img src="./icons8-plus-96.png" class="fa-plus action-btn">
            <img src="./icons8-multiply-96.png" class="fa-times action-btn">
        </div>
    </div>


   <div class="main-cont">    
    <!-- ticket -->
   
    </div>

<script src="https://cdn.jsdelivr.net/npm/short-unique-id@latest/dist/short-unique-id.min.js"></script>
<script src="./script.js"></script> 
<script>
    if('serviceWorker' in navigator){
        window.addEventListener('load',()=>{
            navigator.serviceWorker.register('/sw.js')
            .then(reg=>{
                console.log('Registered ! ', reg)
            }).catch(err=>{
                console.log('Registration failed',err);
            });
        });
    }
</script>   
</body>
</html>