OK,
following on from yesterday, here's the next part. What we want
to do is click a button, such as shown below, and, when the button
is clicked, cause a new menu item to be added to a predefined menu,
in this case the "Shortcuts" menu.
The first step is to define the Shortcuts menu in a layer.xml
file:
<folder name="Menu">
<folder name="Shortcuts"/>
</folder>
Next, we want to populate that folder dynamically, whenever the
user clicks the button above. To do that, we need...
