adds warnings for unfinished pages.

1-getting-started.md

@@ -7,3 +7,8 @@ permalink: "getting-started.html"
 Welcome to Amber! This quick starting guide will walk you through the
 installation process of Amber and the creation of a small Todo
 example.
+
+<p class="warning">
+This page is unfinished.
+</p>
+

overview/2-loading-amber.md

@@ -63,3 +63,6 @@ comes with several AMD modules, the default one being `amber/devel`.
 </html> 
 ```
 
+<p class="warning">
+This page is unfinished.
+</p>