add more device images on modality.github.io/controllers

[adcxyz]

[LFSaw]

please populate the folder https://github.com/ModalityTeam/ModalityTeam.github.io/tree/master/img/controllers with files named accordingly. When I have time (sic!), I'll review the webpage (or anyone else fwiw).

[adcxyz]

did a few now. It would be good to get #264, the merge of desc variants for one controller onto a single entry rather than adding lots of copies of the same image file.