Feat: support pic base bullet for PPT (#6406)

### What problem does this PR solve?

support pic base bullet for PPT

modify one mistake in document

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

deepdoc/parser/ppt_parser.py

         super().__init__()
 
     def __get_bulleted_text(self, paragraph):
-        is_bulleted = bool(paragraph._p.xpath("./a:pPr/a:buChar")) or bool(bool(paragraph._p.xpath("./a:pPr/a:buAutoNum")) )
+        is_bulleted = bool(paragraph._p.xpath("./a:pPr/a:buChar")) or bool(paragraph._p.xpath("./a:pPr/a:buAutoNum")) or bool(paragraph._p.xpath("./a:pPr/a:buBlip"))
         if is_bulleted:
             return f"{'  '* paragraph.level}.{paragraph.text}"
         else:

docs/references/http_api_reference.md

 
 - `dataset_id`: (*Path parameter*)  
   The associated dataset ID.
-- `document_ids`: (*Path parameter*)  
+- `document_id`: (*Path parameter*)  
   The associated document ID.
 - `keywords`(*Filter parameter*), `string`  
   The keywords used to match chunk content.