Created an example Branch for development and debugging

The example App provides an easy way for developers to integrate
the local-notification-plugin in their own applications and for plugin
developers to debug the plugin.
Istalled latest version of local-notification

The latest Version provides more Feature
Implemented buttons and functions for missing Features

You're now able to try most Features provided by
the local-notfication-plugin including onadd, ontrigger, oncancel
and onclick.