use gpui::{actions, App};use workspace::Workspace; pub mod markdown_elements;pub mod markdown_parser;pub mod markdown_preview_view;pub mod markdown_renderer; actions!(markdown, [OpenPreview, OpenPreviewToTheSide]); pub fn init(cx: &mut App) {    cx.observe_new(|workspace: &mut Workspace, window, cx| {        let Some(window) = window else {            return;        };        markdown_preview_view::MarkdownPreviewView::register(workspace, window, cx);    })    .detach();}