adding in some needed packages

Assets/DamageNumbersPro/Demo/Scripts/DNP_SineFadeText.cs

@@ -0,0 +1,29 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace DamageNumbersPro.Demo
+{
+    public class DNP_SineFadeText : MonoBehaviour
+    {
+        public float fromAlpha = 0.5f;
+        public float toAlpha = 0.8f;
+        public float speed = 4f;
+        public float startTimeBonus = 0f;
+
+        Text text;
+
+        void Awake()
+        {
+            text = GetComponent<Text>();
+        }
+
+        void FixedUpdate()
+        {
+            Color color = text.color;
+            color.a = fromAlpha + (toAlpha - fromAlpha) * (Mathf.Sin(speed * Time.unscaledTime + startTimeBonus) * 0.5f + 0.5f);
+            text.color = color;
+        }
+    }
+}