Add cosmic text scene integration to README.

README.md

@@ -146,6 +146,15 @@ A separate Linebender integration for playing Lottie animations is available thr
 
 A separate Linebender integration for rendering raw scenes or Lottie and SVG files in [Bevy] through [`bevy_vello`](https://github.com/linebender/bevy_vello).
 
+### Cosmic Text
+
+An example scene demonstrating the integration between COSMIC text for font loading and text layout through [COSMIC Text Scene](https://github.com/linebender/vello/blob/main/examples/scenes/src/cosmic_text_scene.rs).
+This scene can be run with:
+
+```shell
+cargo run --package with_winit --features cosmic_text -- --test-scenes
+````
+
 ## Examples
 
 Our examples are provided in separate packages in the [`examples`](https://github.com/linebender/vello/tree/main/examples) directory.