Add Landing Gear visualization

LandingGear/LandingGear.json

LandingGear/architecture.svg

LandingGear/img/door_closed.png

LandingGear/img/door_door_moving.png

LandingGear/img/door_open.png

LandingGear/img/gear_extended.png

LandingGear/img/gear_gear_moving.png

LandingGear/img/gear_retracted.png

LandingGear/img/handle_.png

LandingGear/img/handle_down.png

LandingGear/img/handle_up.png

LandingGear/model/Door.bcc

LandingGear/model/Door.bpo

LandingGear/model/Door.bpr

LandingGear/model/Door.bps

LandingGear/model/Door.buc

LandingGear/model/Gear.bcc

LandingGear/model/Gear.bpo

LandingGear/model/Gear.bpr

LandingGear/model/Gear.bps