adding in some needed packages

Assets/DamageNumbersPro/Demo/Scripts/DNP_CursorHint.cs

@@ -0,0 +1,27 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace DamageNumbersPro.Demo
+{
+    public class DNP_CursorHint : MonoBehaviour
+    {
+        CanvasGroup cg;
+
+        void Start()
+        {
+            cg = GetComponent<CanvasGroup>();
+        }
+
+        void FixedUpdate()
+        {
+            if(Cursor.visible)
+            {
+                cg.alpha = Mathf.Max(cg.alpha - Time.deltaTime * 2f, 0);
+            }else
+            {
+                cg.alpha = Mathf.Min(cg.alpha + Time.deltaTime * 2f, 1);
+            }
+        }
+    }
+}