[Example] Refactor example

imgui-binding/src/main/java/imgui/internal/flag/ImGuiDataAuthority.java

@@ -0,0 +1,13 @@
+package imgui.internal.flag;
+
+/**
+ * Store the source authority (dock node vs window) of a field
+ */
+public final class ImGuiDataAuthority {
+    private ImGuiDataAuthority() {
+    }
+
+    public static final int Auto = 0;
+    public static final int DockNode = 1;
+    public static final int Window = 2;
+}

imgui-binding/src/main/java/imgui/internal/flag/ImGuiDockNodeFlags.java

@@ -1,5 +1,8 @@
 package imgui.internal.flag;
 
+/**
+ * Extend ImGuiDockNodeFlags
+ */
 public final class ImGuiDockNodeFlags extends imgui.flag.ImGuiDockNodeFlags {
     private ImGuiDockNodeFlags() {
     }