Storyline Dark and Light Theme Sync

const themeLink = document.createElement("link");
    themeLink.setAttribute("rel", "stylesheet");
    themeLink.setAttribute("id", "theme-stylesheet");
    document.body.appendChild(themeLink);
    const setTheme = () => {
        const prefersDark = window.matchMedia("(prefers-color-scheme: dark)").matches;
        themeLink.href = prefersDark ? "dark.css" : "light.css";
    };
    setTheme();
    window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", setTheme);