update sample

Assets/Scenes/SampleCurvedText/Editor/TextMeshProSplineGUI.cs

@@ -0,0 +1,24 @@
+using UnityEditor;
+using UnityEngine;
+
+#if UNITY_EDITOR
+
+namespace space.chikalin.textdecal.Editor
+{
+[CustomEditor(typeof(TextMeshProSpline))]
+public class TextMeshProSplineGUI : UnityEditor.Editor
+{
+    public override void OnInspectorGUI()
+    {
+        base.OnInspectorGUI();
+
+        if (GUILayout.Button("Force Update"))
+        {
+            ((TextMeshProSpline)target).ForceUpdate();
+        }
+        
+    }
+}
+}
+
+#endif