chore(doc): auto generate docs

Author: github-actions[bot]

doc/CopilotChat.txt

@@ -685,9 +685,11 @@ installed.
       file_types = { 'markdown', 'copilot-chat' },
     })
 
-    -- You might also want to disable default header highlighting for copilot chat when doing this
+    -- You might also want to disable default header highlighting for copilot chat when doing this and set error header style and separator
     require('CopilotChat').setup({
       highlight_headers = false,
+      separator = '---',
+      error_header = '> [!ERROR] Error',
       -- rest of your config
     })
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