0.5.0

Hello Dignauts! 🚀This update focuses on refining the core excavation loop, improving inventory usability, and fixing important flow-breaking bugs in the demo. Several systems have been adjusted to better support longer play sessions and clearer player feedback.═══════════════════════════════════════✨ NEW – Excavation & InteractionImplemented physics behavior for loose objects to prevent floating during excavation, improving physicality and immersionAdded excavation particles to improve digging feedbackImproved terrain textures with subtle variations to better convey movement and depthImplemented optional hold LMB to dig when using the shovelRefined tool pickup and collection behaviorValuable objects now require a dedicated interaction key to collectIf the inventory is full, valuable object...