feat(draw): support transforming widgets and improfe sw transform

For details see: https://docs.lvgl.io/master/overview/style.html

examples/styles/lv_example_style.h

@@ -39,6 +39,7 @@ void lv_example_style_11(void);
 void lv_example_style_12(void);
 void lv_example_style_13(void);
 void lv_example_style_14(void);
+void lv_example_style_15(void);
 
 /**********************
  *      MACROS