Added the link to the screencast.

docs/source/getting_started.rst

@@ -1,6 +1,18 @@
 Getting started
 ===============
 
+Demonstration
+-------------
+
+The screencast below demonstrates how to install, configure and use PyQSO (focussing on version 1.0.0 only). Detailed instructions are also available in the sections that follow.
+
+.. raw:: html
+
+    <div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; height: auto;">
+        <iframe src="https://www.youtube.com/embed/sVdZl9KnDsk" frameborder="0" allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe>
+    </div>
+
+
 System requirements
 -------------------