docs(astro-fuse): adding search layer demo screenshot

Author: johnny-mh

packages/astro-fuse/README.md

@@ -230,7 +230,9 @@ See [Fuse.js options](https://www.fusejs.io/api/options.html)
 
 ## Example
 
-- [The search component of the johnny-dev blog](/apps/devlog/src/components/SearchLayer.astro)
+![The search layer of the johnny-dev blog](./search-layer-demo.gif)
+
+- [The search layer of the johnny-dev blog](/apps/devlog/src/components/SearchLayer.astro)
 
 ## Remarks