Highlight demo and code in readme

Author: fregante

readme.md

@@ -2,7 +2,10 @@
 
 > Which GitHub page are you on? Is it an issue? Is it a list? Perfect for your WebExtension or userscript.
 
-Battle-tested by and extracted from the [Refined GitHub](https://github.com/sindresorhus/refined-github) extension. You can try the live [demo](https://fregante.github.io/github-url-detection/).
+Battle-tested by and extracted from the [Refined GitHub](https://github.com/sindresorhus/refined-github) extension.
+
+- Try the live [demo](https://fregante.github.io/github-url-detection/)
+- See the code and expected URLs for [every detection](https://github.com/fregante/github-url-detection/blob/master/index.ts)
 
 ## Install