Merged the API for all devices

API migration

Dropped the convertFloat64 for white_temperature and brightness. The
code is cleaner.

Cbor return an interface{} for everything, casting to uint64 or float64
is wrong due to the fact that xAAL schemas support both (even int is
possible). So recast everything to float64 and deal w/ that.

float64 mainly because colorful use float64 for everything, so as
brightness is Z in yxz format...

Done w/ setMode. This was tricky because setting color_mode doesn't
work.

The color/white mode was missing. All should be fine now

xy decoding is a pain to decode. Thanks to chatgpt, I was able to port
the JS code. The code seems to works fine now.

I need to fix a issue in the xAAL core due to compare of list..

Finalize the XAAL Device API. I guess this will be the next move, after
doing some color stuff.

Refactoring Go code is not that hard (thanks to types), so let's give it
a try

Added support for remotes, tested w/ Ikea on/off/brigthness and actions
buttons

devices from the sames z2m device are in the same group. This is a bitty
rough right now, I need to better hack this stuff.

Switch to switch.. (go syntax)

Added comment