feat: enhance Markdown formatting for query results in response output

postgre_mcp_server.py

@@ -160,7 +160,7 @@ Present your final answer using the following structure **exactly**. When necess
 
 ```markdown
 # Result
-{{Take the result from the execute_query tool and format it nicely using Markdown. Use a Markdown table for tabular data (rows and columns) including headers. Use bullet points for lists. Use plain text for single values or simple messages. Ensure data alignment and clarity.}    }
+{{Take the result from the execute_query tool and format it nicely using Markdown. Use a Markdown table for tabular data (rows and columns) including headers. Use bullet points or items in markdown for answers that include lists of names or descriptions. Use plain text for single values or simple messages. Ensure data alignment and clarity.}}
 
 # Explanation
 {{Provide a concise explanation or interpretation of the results in 1-3 sentences. Explain what the data in the 'Result' section represents in the context of the user's request.}}