Add door interaction system with requirements and HUD integration

Code/Resources/RequiresItemRequirementResource.cs

@@ -0,0 +1,11 @@
+using Godot;
+
+namespace CryptonymThunder.Code.Resources;
+
+[GlobalClass]
+public partial class RequiresItemRequirementResource : InteractionRequirementResource
+{
+    [Export] public string ItemId { get; set; } = "item_key_green";
+    [Export(PropertyHint.Range, "1,100,1")] public int Quantity { get; set; } = 1;
+    [Export] public bool ConsumeItem { get; set; } = true;
+}