added first draft of WING_DELTA_2AIL and WING_DUCKERON mixing

= WING_DELTA_2AIL to follow https://docs.google.com/document/d/1ce6ycZvVQqASUfMCXF-DWfdcNEBW4pxo4W-hJh_nYSs
= revised pin mapping to follow https://docs.google.com/document/d/1CDCazz5TjRhke3KpJ8k2ALZma8m43GH7lJiSICRqUfc