Added sandbox; Added example overview-page

_layouts/default.html

@@ -46,6 +46,7 @@
             <ul class="pages">
                 <li><a href="{{ site.baseurl }}/">Project Home</a></li>
                 <li><a href="{{ site.baseurl }}/examples">Examples</a></li>
+                <li><a href="{{ site.baseurl }}/v1.0.0-beta.1/examples">Examples (v1.0.0-beta.1)</a></li>
             </ul>
         </nav>
 

_layouts/examples.v1.0.0-beta.1.html

@@ -5,6 +5,7 @@ layout: default
 <h1>Examples</h1>
 
 <ul>
+    <li><a href="../sandbox/">Mobile Sandbox</a> for playing around with all the various settings</li>
     <li><a href="../scan-to-input/">Video-based Example</a> showcasing an input field for barcodes</li>
     <li><a href="../file-input/">File-based Example</a> showcasing an input field for barcodes</li>
     <li><a href="../multiple/">Video-based Example</a> showcasing the use of multiple readers</li>