add serialization (use yaml-cpp), add stencil to render outline for selected entity, add play mode, UUIDS, add orthographic and perspective camera, add editor camera

ExampleApp/Src/BasicContorller.cs

@@ -0,0 +1,36 @@
+using Prism;
+
+namespace Example
+{
+    public class BasicController : Entity
+    {
+        public float Speed;
+
+        public void OnCreate()
+        {
+        }
+
+        public void OnUpdate(float ts)
+        {
+            Mat4 transform = GetTransform();
+            Vec3 translation = transform.Translation;
+
+            float speed = Speed * ts;
+
+            if (Input.IsKeyPressed(KeyCode.Up))
+                translation.Y += speed;
+            else if (Input.IsKeyPressed(KeyCode.Down))
+                translation.Y -= speed;
+            if (Input.IsKeyPressed(KeyCode.Right))
+                translation.X += speed;
+            else if (Input.IsKeyPressed(KeyCode.Left))
+                translation.X -= speed;
+            
+
+            transform.Translation = translation;
+            SetTransform(transform);
+        }
+
+
+    }
+}