Display class icon banner

Consider adding the class icon banner in the diagram.

Here is a POC.

I didn't find a way to integrate the image without having the << >>.

The image needs to be sent as Base64.
I used this website with these setting to get the Base64 image for the POC

Here is the PlantUML syntax for the above capture

@startuml

hide member
 
	class Lever << <img:data:image/png;base64,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> >> {
	}

@enduml