pub fn startup_setup_web_events_system(
    mut egui_clipboard: ResMut<EguiClipboard>,
    mut subscribed_events: NonSendMut<SubscribedEvents>,
) {
    let (tx, rx) = crossbeam_channel::unbounded();
    egui_clipboard.clipboard.event_receiver = Some(rx);
    setup_clipboard_copy(&mut subscribed_events, tx.clone());
    setup_clipboard_cut(&mut subscribed_events, tx.clone());
    setup_clipboard_paste(&mut subscribed_events, tx);
}
Startup system to initialize web clipboard events.
src/web_clipboard.rs