refactor: flatten dto entity and mapper packages

src/main/java/com/label/mapper/VideoProcessJobMapper.java

@@ -0,0 +1,12 @@
+package com.label.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.label.entity.VideoProcessJob;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * video_process_job 表 Mapper。
+ */
+@Mapper
+public interface VideoProcessJobMapper extends BaseMapper<VideoProcessJob> {
+}