Create: Interiors

[@rhysdh540] Players are now positioned at the correct height when seated on full-sized chair block on a contraption 🎉

[@rhysdh540] Most of the mod has been refactored & configured to work with Data Generation instead of hand-made data & resource files.

Sneak-right-clicking a chair or low chair will now toggle the size of its back.

Wall-attached table block