Update README.md

Author: rpsthecoder

README.md

@@ -1,2 +1,7 @@
-# IntersectionObserver:  lazy load images
-Using JavaScript's IntersectionObserver API to lazy load images.
+# Intersection Observer:  lazy load images
+Using JavaScript's Intersection Observer API to lazy load images.
+
+✰ [Result website](https://rpsthecoder.github.io/intersectionobserver-api-lazy-load-images/index.html)  
+✰ [Intersection Observer API, MDN Doc](https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API)
+
+<p align=center><img src="https://octodex.github.com/images/labtocat.png" width=100px><br><sup>IntersectionObserver API is experimental</sup></p>