[API] Add ImGuiStyle#getColors to return float[][]

Same is applied to NodeEditorStyle

imgui-binding/src/main/java/imgui/ImGuiStyle.java

@@ -1,6 +1,7 @@
 package imgui;
 
 import imgui.binding.ImGuiStructDestroyable;
+import imgui.flag.ImGuiCol;
 
 /**
  * You may modify the ImGui::GetStyle() main instance during initialization and before NewFrame().
@@ -896,6 +897,12 @@ public final class ImGuiStyle extends ImGuiStructDestroyable {
         IMGUI_STYLE->CircleSegmentMaxError = circleSegmentMaxError;
     */
 
+    public float[][] getColors() {
+        final float[][] colors = new float[ImGuiCol.COUNT][4];
+        getColors(colors);
+        return colors;
+    }
+
     /**
      * BINDING NOTICE: colors is a 2d array with sizes: [ImGuiCol_COUNT][4]
      */