[Feature Request] Include a option to always maximize menu in the settings

I am currently using xfce4-whiskermenu-plugin version 2.8.0 and I can see the options for menu width and menu height in the settings. Additionally, it would be quite useful to include a maximized/fullscreen option to automatically maximize whiskermenu according to the screen size. Here is a quick mockup of the settings with the requested option:

This would be extremely useful when configuring the whiskermenu as an application launcher as shown in the image below: