feat(core): add LandblockLoader with Stab+Building → WorldEntity mapping

src/AcDream.Core/World/WorldEntity.cs

@@ -0,0 +1,12 @@
+using System.Numerics;
+
+namespace AcDream.Core.World;
+
+public sealed class WorldEntity
+{
+    public required uint Id { get; init; }
+    public required uint SourceGfxObjOrSetupId { get; init; }
+    public required Vector3 Position { get; init; }
+    public required Quaternion Rotation { get; init; }
+    public required IReadOnlyList<MeshRef> MeshRefs { get; init; }
+}