add sample processed images

Author: jveldboom

README.md

@@ -9,6 +9,11 @@ Visit https://github.com/google/guetzli for Guetzli's full documentation
 # Run Examples
 - `docker run --rm -v $(PWD):/tmp jveldboom/google-guetzli --quality 85 ./samples/bees.png ./samples/bees-out.png`
 
+Original | Processed with 85%
+:------------: | :-------------:
+![Original](./samples/bees.png)<br>177 KB | ![Original](./samples/bees-out.png)<br> 22 KB
+![Original](./samples/rose.jpg)<br>219 KB  | ![Original](./samples/rose-out.png)<br> 103 KB
+
 # TODO
 - Reduce container image size. Likely do not need full Ubuntu image
 - <strike>Add to Docker Hub for easier installation</strike>