improvement: Devices folders like Methods and Properties within the FB classes

[runtimevic]

Hello,

I think a good suggestion would be to have folders like Methods and Properties within the FB classes to put them inside.

[adrianjenkner]

Ekvip has its own style guide:
https://ekvip.com/style-guide/Project.html

The folder structure in this project follows it:

Optionally you can make a Pull Request with:
"For classes, there are additional subfolders for the interfaces they implement."