Update BarycentricDataBuilder.cs

Assets/Shaders/Scripts/BarycentricDataBuilder.cs

-using UnityEngine;
+// Based on: https://catlikecoding.com/unity/tutorials/advanced-rendering/flat-and-wireframe-shading/
+
+using UnityEngine;
 
 [RequireComponent(typeof(MeshFilter), typeof(MeshRenderer))]
 public class BarycentricDataBuilder : MonoBehaviour