background.html

<!DOCTYPE html>
<html>
    <head>
        <script src="https://www.gstatic.com/firebasejs/7.6.0/firebase-app.js"></script>
        <script src="https://www.gstatic.com/firebasejs/7.6.0/firebase-firestore.js"></script>
        <script src="./init-firebase.js"></script>
        <script src="./config.js"></script>
        <script src="./sites.js"></script>
        <script src="./tracker.js"></script>
        <script src="./background.js"></script>
        <script src="./videoRecord.js"></script>
    </head>
    <body></body>
</html>