[fix] move autoPlace() prompt to correct section

- autoPlace() is a Diagram object method, not an Editor API
- moved the prompt from 'Configuring the editor' to 'Creating diagrams'

Author: mafanya23

docs/guides/ai-integrations/mcp-server.md

@@ -199,6 +199,9 @@ I want to build an org chart from a JSON data set in DHTMLX Diagram. How do I co
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 How do I create a flowchart with decision nodes and multiple links in DHTMLX Diagram?
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+How do I use autoPlace() to automatically arrange shapes in DHTMLX Diagram?
+~~~
 
 **Working with shapes**
 
@@ -214,9 +217,6 @@ How do I change the default text style and background color for all shapes in DH
 
 **Configuring the editor**
 
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-How do I use autoPlace() to automatically arrange shapes in DHTMLX Diagram?
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 I want to enable inline editing for shape text in DHTMLX Diagram.
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