Native API Readme结构修改

Signed-off-by: Nwangjiangying <3227687462@qq.com>

zh-cn/application-dev/reference/native-apis/Readme-CN.md

 # Native API
 
-- MyProject
+- 模块
     - [Native XComponent](_o_h___native_x_component.md)
     - [Native_Bundle](_native___bundle.md)
     - [HiLog](_hi_log.md)
     - [NativeWindow](_native_window.md)
     - [Drawing](_drawing.md)
     - [Rawfile](rawfile.md)
-- 头文件和结构体
-    - 头文件
-        - [drawing_bitmap.h](drawing__bitmap_8h.md)
-        - [drawing_brush.h](drawing__brush_8h.md)
-        - [drawing_canvas.h](drawing__canvas_8h.md)
-        - [drawing_color.h](drawing__color_8h.md)
-        - [drawing_font_collection.h](drawing__font__collection_8h.md)
-        - [drawing_path.h](drawing__path_8h.md)
-        - [drawing_pen.h](drawing__pen_8h.md)
-        - [drawing_text_declaration.h](drawing__text__declaration_8h.md)
-        - [drawing_text_typography.h](drawing__text__typography_8h.md)
-        - [drawing_types.h](drawing__types_8h.md)
-        - [external_window.h](external__window_8h.md)
-        - [log.h](log_8h.md)
-        - [native_interface_bundle.h](native__interface__bundle_8h.md)
-        - [native_interface_xcomponent.h](native__interface__xcomponent_8h.md)
-        - [raw_dir.h](raw__dir_8h.md)
-        - [raw_file.h](raw__file_8h.md)
-    - 结构体
-        - [OH_Drawing_BitmapFormat](_o_h___drawing___bitmap_format.md)
-        - [OH_NativeXComponent_Callback](_o_h___native_x_component___callback.md)
-        - [OH_NativeXComponent_TouchEvent](_o_h___native_x_component___touch_event.md)
-        - [OH_NativeXComponent_TouchPoint](_o_h___native_x_component___touch_point.md)
-        - [RawFileDescriptor](_raw_file_descriptor.md)
+- 头文件
+  
+    - [drawing_bitmap.h](drawing__bitmap_8h.md)
+    - [drawing_brush.h](drawing__brush_8h.md)
+    - [drawing_canvas.h](drawing__canvas_8h.md)
+    - [drawing_color.h](drawing__color_8h.md)
+    - [drawing_font_collection.h](drawing__font__collection_8h.md)
+    - [drawing_path.h](drawing__path_8h.md)
+    - [drawing_pen.h](drawing__pen_8h.md)
+    - [drawing_text_declaration.h](drawing__text__declaration_8h.md)
+    - [drawing_text_typography.h](drawing__text__typography_8h.md)
+    - [drawing_types.h](drawing__types_8h.md)
+    - [external_window.h](external__window_8h.md)
+    - [log.h](log_8h.md)
+    - [native_interface_bundle.h](native__interface__bundle_8h.md)
+    - [native_interface_xcomponent.h](native__interface__xcomponent_8h.md)
+    - [raw_dir.h](raw__dir_8h.md)
+    - [raw_file.h](raw__file_8h.md)
+- 结构体
+    - [OH_Drawing_BitmapFormat](_o_h___drawing___bitmap_format.md)
+    - [OH_NativeXComponent_Callback](_o_h___native_x_component___callback.md)
+    - [OH_NativeXComponent_TouchEvent](_o_h___native_x_component___touch_event.md)
+    - [OH_NativeXComponent_TouchPoint](_o_h___native_x_component___touch_point.md)
+    - [RawFileDescriptor](_raw_file_descriptor.md)