add a what is svelte section

README.md

@@ -1,11 +1,19 @@
 <p align="center">
   <a href="https://svelte.dev">
-	<img width="695" alt="Cybernetically enhanced web apps: Svelte" src="https://user-images.githubusercontent.com/1162160/56335541-f23ca880-616a-11e9-88a8-77ab5bd3efac.png">
+	<img width="695" alt="Cybernetically enhanced web apps: Svelte" src="https://user-images.githubusercontent.com/1162160/56335691-7a22b280-616b-11e9-91ec-711cf6f262e3.png">
   </a>
 </p>
 
 ---
 
+
+## What is Svelte?
+
+Svelte is a new way to build web applications. It's a compiler that takes your declarative components and converts them into efficient JavaScript that surgically updates the DOM.
+
+Learn more at the [Svelte website](https://svelte.dev), or stop by the [Discord chatroom](https://discord.gg/yy75DKs).
+
+
 ## Development
 
 Pull requests are encouraged and always welcome. [Pick an issue](https://github.com/sveltejs/svelte/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc) and help us out!