code: public static void appendImage(String imagePath, int pictureType, int width, int height, ParagraphAlignment
              alignment) throws IOException, InvalidFormatException {
          appendImage(getNewRun(alignment), imagePath, pictureType, width, height);
      }
docs: 添加一张图片
  
  @param imagePath 图片路径
  @param pictureType 图片类型
  @param width 宽度
  @param height 长度
  @param alignment 对齐方式
  
  @throws IOException 异常
  @throws InvalidFormatException 异常