restructure

Unity/Assets/Convai/Scripts/Runtime/Extensions/GameObjectExtension.cs

@@ -0,0 +1,12 @@
+using UnityEngine;
+
+namespace Convai.Scripts.Runtime.Extensions
+{
+    public static class GameObjectExtension
+    {
+        public static T GetOrAddComponent<T>(this GameObject gameObject) where T : Component
+        {
+            return gameObject.TryGetComponent(out T t) ? t : gameObject.AddComponent<T>();
+        }
+    }
+}