Added first implementation of WS2811
Added ws2811 datasheets for reference
Updated the ws2811 to allow for different timing schemes
Added comments, renamed ws2811 options, moved implementation to cpp-file.
Updated constructor of ws2811 to contain chip configuration
Merge branch 'ws2811' into device_factory
Moved all devices to separate library and added 'Factory' for device creation.
Disabled the ws2811 (for now)