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/replace-env-vars.js

@@ -0,0 +1,48 @@
+#!/usr/bin/env node
+/**
+ * Simple script to replace environment variable placeholders in frontend code
+ * This is a development convenience - in production, use proper build tools
+ */
+
+const fs = require('fs');
+const path = require('path');
+require('dotenv').config();
+
+const CHATBOT_FILE = path.join(__dirname, 'Chatbot.js');
+const ENV_FILE = path.join(__dirname, '.env');
+
+// Read the current Chatbot.js file
+let chatbotContent = fs.readFileSync(CHATBOT_FILE, 'utf8');
+
+// Read the .env file
+let envContent = fs.readFileSync(ENV_FILE, 'utf8');
+
+// Extract the API key from .env
+const apiKeyMatch = envContent.match(/OPENROUTER_API_KEY=(.+)/);
+if (!apiKeyMatch) {
+  console.error('❌ OPENROUTER_API_KEY not found in .env file');
+  process.exit(1);
+}
+
+const actualApiKey = apiKeyMatch[1].trim();
+
+// Replace the placeholder with the actual API key
+const updatedContent = chatbotContent.replace(
+  /OPENROUTER_API_KEY: ['"]YOUR_API_KEY_HERE['"]/,
+  `OPENROUTER_API_KEY: '${actualApiKey}'`
+);
+
+// Write the updated file
+fs.writeFileSync(CHATBOT_FILE, updatedContent);
+
+console.log('✅ API key successfully injected into Chatbot.js');
+console.log('🔒 Remember: This is for development only. Use secure methods in production.');
+
+// Also update the hardcoded key in the fetch request
+const fetchUpdatedContent = updatedContent.replace(
+  /`Bearer \$\{config\.OPENROUTER_API_KEY\}`/g,
+  `\`Bearer \${config.OPENROUTER_API_KEY}\``
+);
+
+fs.writeFileSync(CHATBOT_FILE, fetchUpdatedContent);
+console.log('✅ Chatbot.js updated with secure API key reference');