settings: use timed serializer, handle zoom properly, use custom text style for note body font size, added font size slider, added preview note

crates/notedeck_chrome/src/preview.rs

@@ -38,7 +38,13 @@ impl PreviewRunner {
                     "unrecognized args: {:?}",
                     notedeck.unrecognized_args()
                 );
-                setup_chrome(ctx, notedeck.args(), notedeck.theme());
+                setup_chrome(
+                    ctx,
+                    notedeck.args(),
+                    notedeck.theme(),
+                    notedeck.note_body_font_size(),
+                    notedeck.zoom_factor(),
+                );
 
                 notedeck.set_app(PreviewApp::new(preview));