Organize custom scripts under Assets/Baba_yaga and merge Opsive folders to Assets root

Assets/Demo/Scripts/Car/SkidTrail.cs

@@ -0,0 +1,25 @@
+
+
+namespace Opsive.UltimateCharacterController.Demo.UnityStandardAssets.Vehicles.Car
+{
+    using System.Collections;
+    using UnityEngine;
+
+    public class SkidTrail : MonoBehaviour
+    {
+        [SerializeField] protected float m_PersistTime;
+
+        private IEnumerator Start()
+        {
+			while (true)
+            {
+                yield return null;
+
+                if (transform.parent.parent == null)
+                {
+					Destroy(gameObject, m_PersistTime);
+                }
+            }
+        }
+    }
+}