Miscellaneous editorial updates. (#7047)

### What problem does this PR solve?

#6910 

### Type of change

- [x] Documentation Update

docs/guides/dataset/construct_knowledge_graph.md

 ---
-sidebar_position: 2
+sidebar_position: 8
 slug: /construct_knowledge_graph
 ---
 

docs/guides/team/join_or_leave_team.md

 
 ## Accept or decline team invite
 
-Click on your avatar in the top right corner of the page, then select **Team** in the left-hand panel to access the **Team** page.
+1. You will be notified when you receive an invitation to join a team:
+
+![team_notification](https://raw.githubusercontent.com/infiniflow/ragflow-docs/main/images/team_notification.jpg)
+
+2. Click on your avatar in the top right corner of the page, then select **Team** in the left-hand panel to access the **Team** page.
 
 ![team](https://github.com/user-attachments/assets/0eac2503-26bc-4568-b3f2-bcd84069a07a)
 

docs/references/python_api_reference.md

 ### Retrieve chunks
 
 ```python
-RAGFlow.retrieve(question:str="", dataset_ids:list[str]=None, document_ids=list[str]=None, page:int=1, page_size:int=30, similarity_threshold:float=0.2, vector_similarity_weight:float=0.3, top_k:int=1024,rerank_id:str=None,keyword:bool=False,higlight:bool=False) -> list[Chunk]
+RAGFlow.retrieve(question:str="", dataset_ids:list[str]=None, document_ids=list[str]=None, page:int=1, page_size:int=30, similarity_threshold:float=0.2, vector_similarity_weight:float=0.3, top_k:int=1024,rerank_id:str=None,keyword:bool=False,highlight:bool=False) -> list[Chunk]
 ```
 
 Retrieves chunks from specified datasets.