[TASK] Initial commit with basic product setup

Assets/Mapbox SDK/Mapbox/Unity/Utilities/SingletonScriptableObject.cs

@@ -0,0 +1,21 @@
+namespace Mapbox.Unity.Utilities
+{
+	using System.Linq;
+	using UnityEngine;
+
+	public abstract class SingletonScriptableObject<T> : ScriptableObject where T : ScriptableObject
+	{
+		static T _instance = null;
+		public static T Instance
+		{
+			get
+			{
+				if (!_instance)
+				{
+					_instance = Resources.FindObjectsOfTypeAll<T>().FirstOrDefault();
+				}
+				return _instance;
+			}
+		}
+	}
+}