ecs and tranforms

added the moonworks ecs library.
testing it by setting up a transform and parent system.

Nerfed.Runtime/Components/LocalToWorld.cs

@@ -0,0 +1,6 @@
+using System.Numerics;
+
+namespace Nerfed.Runtime.Components
+{
+    public readonly record struct LocalToWorld(Matrix4x4 localToWorldMatrix);
+}

Nerfed.Runtime/Components/LocalTransform.cs

@@ -0,0 +1,18 @@
+using System.Numerics;
+
+namespace Nerfed.Runtime.Components
+{
+    public struct LocalTransform
+    {
+        public Vector3 position;
+        public Quaternion rotation;
+        public Vector3 scale;
+
+        public LocalTransform(Vector3 position, Quaternion rotation, Vector3 scale)
+        {
+            this.position = position;
+            this.rotation = rotation;
+            this.scale = scale;
+        }
+    }
+}

Nerfed.Runtime/Components/Parent.cs

@@ -0,0 +1,8 @@
+using MoonTools.ECS;
+
+namespace Nerfed.Runtime.Components
+{
+    public readonly record struct Parent(Entity parentEntity);
+    public readonly record struct PreviousParent(Entity parentEntity);
+    public readonly record struct ChildRelation;
+}