use gpui::{App, actions};use workspace::Workspace; pub mod markdown_preview_settings;pub mod markdown_preview_view; pub use zed_actions::preview::markdown::{OpenPreview, OpenPreviewToTheSide}; use crate::markdown_preview_view::MarkdownPreviewView; actions!(    markdown,    [        /// Scrolls up by one page in the markdown preview.        #[action(deprecated_aliases = ["markdown::MovePageUp"])]        ScrollPageUp,        /// Scrolls down by one page in the markdown preview.        #[action(deprecated_aliases = ["markdown::MovePageDown"])]        ScrollPageDown,        /// Scrolls up by approximately one visual line.        ScrollUp,        /// Scrolls down by approximately one visual line.        ScrollDown,        /// Scrolls up by one markdown element in the markdown preview        ScrollUpByItem,        /// Scrolls down by one markdown element in the markdown preview        ScrollDownByItem,        /// Scrolls to the top of the markdown preview.        ScrollToTop,        /// Scrolls to the bottom of the markdown preview.        ScrollToBottom,        /// Opens a following markdown preview that syncs with the editor.        OpenFollowingPreview,        /// Closes the markdown preview and returns focus to the source editor.        CloseAndReturnToEditor    ]); pub fn init(cx: &mut App) {    workspace::register_serializable_item::<MarkdownPreviewView>(cx);     cx.observe_new(|workspace: &mut Workspace, window, cx| {        let Some(window) = window else {            return;        };        markdown_preview_view::MarkdownPreviewView::register(workspace, window, cx);    })    .detach();}