HW image version of this little stupid thing

[grymmjack]

It's stunning that the documentation does not have a good example of hardware image use.

@SMcNeill

And a few more questions:

Do hardware images have to be 32bit? If so make sure that gets added to the docs.

I recalled a previous time when I was doing something and @a740g told me how I could still have all the benefits of pixel art and indexed palette (256 colors) but then simply `_PUTIMAGE` the 256 color image to the 32bit canvas, etc.

Mode 33 also needs more prominent mentions I think. It's an odd thing that no one would really consider.

Maybe add a hardware image example in `_COPYIMAGE` and `_PUTIMAGE`, call out mode `33` and also create a separate section in the wiki for hardware images which has SOS tutorials.

Thanks all!