feat: 添加所有分类文件路径至文档说明

zhch/PaddleOCR-VL-说明.md

@@ -227,6 +227,9 @@ paddlex/inference/pipelines/paddleocr_vl/result.py
 paddlex/inference/pipelines/paddleocr_vl/uilts.py
 paddlex/inference/models/common/genai.py
 paddlex/inference/models/doc_vlm/predictor.py
+
+# 所有分类
+paddlex/repo_apis/PaddleDetection_api/object_det/official_categories.py
 ```
 
 ### mineru 关键代码位置