rename ai index to ai overview

Author: tony-xlh

_articles/ai/index.md _articles/ai/overview.md_articles/ai/index.md renamed to _articles/ai/overview.md

@@ -14,6 +14,10 @@ AI can answer questions related to Dynamic Web TWAIN and write codes directly. Y
 
 ## How to Use
 
-1. Ask the <span onclick="document.getElementById('ask-ai-btn').click()"><a href="javascript:void(0)">AI agent</a></span> questions about the SDK.
+1. Use the "Ask AI" buttton to ask questions about the SDK.
+
+   ![](/assets/imgs/ask-ai-button.jpg)
+
 2. Use the [agent skills](./agent-skills.md) in your AI agent like Claude Code, Codex and Cursor. Skills teach the agent how to include Web TWAIN in your project and use its APIs correctly.
 
+3. Use [llms.txt](/llms.txt) and [llms-full.txt](/llms-full.txt) to provide documentation for large language models (LLMs) and apps that use them.

_articles/index.md

@@ -96,7 +96,7 @@ description: Dynamic Web TWAIN SDK Documentation Homepage
 
 ### AI
 
-- [Overview](/_articles/ai/index.md)
+- [Overview](/_articles/ai/overview.md)
 - [Agent Skills](/_articles/ai/agent-skills.md)
 
 ### [Upgrade Instructions]({{site.indepth}}development/upgrade.html)

_data/full_tree.yml

@@ -200,7 +200,7 @@ tree_list:
   - name: AI 
     childList:
       - name: Overview
-        path: /ai/index.html
+        path: /ai/overview.html
       - name: Agent Skills
         path: /ai/agent-skills.html
   - name: Upgrade Instructions