feat(chatbot): integrate OpenRouter API for AI assistance in dashboard

- Added a Chatbot component to the dashboard for user interaction and support.
- Created a README for the Chatbot detailing setup, features, and usage instructions.
- Introduced environment variables for secure API key management.
- Updated app.js to include the Chatbot component.
- Implemented a configuration server to serve API keys securely.
- Enhanced styles for the Chatbot interface to improve user experience.

dashboard/index.html

@@ -28,5 +28,6 @@
 
     <!-- App -->
     <script type="text/babel" src="./app.js"></script>
+    <script type="text/babel" src="./Chatbot.js"></script>
   </body>
 </html>