refactor!: Item changes

- Bump version to 0.3.0
- Moved crate::inventory::item to crate::item
- Made Item.position non-option
- Renamed Item::new_positioned -> Item::new
- Removed old Item::new method
- Changed Inventory.can_fit signature to use item borrow

src/layout/lock.rs

@@ -1,7 +1,12 @@
 use bevy::prelude::*;
 use bevy_rapier2d::prelude::*;
 
-use crate::{inventory::{Inventory, item::lockpick::Lockpick}, meters, player::Player};
+use crate::{
+    meters,
+    inventory::Inventory,
+    item::lockpick::Lockpick,
+    player::Player,
+};
 
 use super::*;