Merge pull request #5 from Unity-Technologies/add-sample

Fix the error that `UIWidgetsTests/CupertinoSample` can't show correc…

Samples/UIWidgetsSamples_2019_4/Assets/Editor/CupertinoSampleWidget.cs

         }
 
         protected override void OnEnable() {
-            FontManager.instance.addFont(Resources.Load<Font>("CupertinoIcons"), "CupertinoIcons");
+            FontManager.instance.addFont(Resources.Load<Font>("fonts/CupertinoIcons"), "CupertinoIcons");
             base.OnEnable();
         }