Extra menus event

Description of the event to generate extra menus at top bar (besides configuration, logout, etc).

Two types of menus:
 * Dropdown
 * Link

For dropdown, we have two kinds of menu items:
 * Link
 * Divider

The event itself is called.

Plugin will set property. Each element in that array must implement interface.

Example
This example with create a dropdown menu with three empty menu items and one divider:

How it would look:



Interfaces
Each menu item returned by  must implement the interface