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/app.js

@@ -603,6 +603,9 @@ const cycleStatus = async (reportId) => {
           ) : null}
         </div>
 
+        {/* Chatbot */}
+        <Chatbot />
+
       </div>
 
     </div>