Link to the getting started wiki page

index.html

@@ -5,6 +5,10 @@ title: Amber Smalltalk
 
 
 <div class="box">
+  <h2>Getting started</h2>
+  <div class="content">
+    <p>The <a href="https://github.com/NicolasPetton/amber/wiki">Wiki on GitHub</a> includes a <a href="https://github.com/NicolasPetton/amber/wiki/Getting-started">Getting started</a> tutorial for OSX, Linux and Windows.</p>
+  </div>
   <h2>Client-side usage</h2>
   <div class="content">
     <p>Load the full Amber Smalltalk environment with the IDE in your page:</p>