Bührer 6105 series v1.2.0.0

Base game Bührer 6105 with some modifications:

- Quicke frontloader attacher.

- Color setting options.

- Driver moves to change gears.

v1.2.0.0

- Added Hauer frontloader console.

- increased the speed limit a bit, from 25 to 30 km/h (let's not go crazy)