Move language switcher to top of homepage

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: emmanuelknafo

index.md

@@ -5,6 +5,8 @@ nav_order: 0
 permalink: /
 ---
 
+> 🇫🇷 **[Version française](fr/)**
+
 <p align="center">
   <img src="assets/branding/logo-128.png" alt="Agentic Accelerator Framework" width="100">
 </p>
@@ -132,8 +134,6 @@ See [Lab 00: Prerequisites](labs/lab-00-prerequisites/) for detailed installatio
 
 > **Tip**: This workshop is designed for GitHub Codespaces. Click **Code → Codespaces → New codespace** to get a pre-configured environment with all tools installed.
 
-> 🇫🇷 **[Version française](fr/)**
-
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