Not that I've seen, but would be interested in seeing it myself...Harley has some mounts, but I wonder if a Memphis Shades kit might work better (though designed for windshields)? @460brevill, @Kbuskill, and @Ordinary Biker might have some better thoughts.
I haven't seen anything myself. I'm not sure what your skills are, you could design something yourself, using off the shelf parts like @WI_Hedgehog mentioned. Work with a shop to make it? You could always contact Smoking Tyre Garage or SLK to see if they can do it.
My new seat from C&C will be delivered tomorrow and I will be adding the docking station, So far I’ve had it in place with the backrest attached to get the measurements, will need to make some spacers for between the fender and frame, along with between the docking and the bike, won’t be a difficult task, I’ll post the pictures as I’m doing it and the outcome