Added dotenv support.

src/config.js

@@ -2,6 +2,10 @@
 import fs from 'fs';
 import path from 'path';
 import { fileURLToPath } from 'url';
+import dotenv from 'dotenv';
+
+// Load environment variables from .env file
+dotenv.config();
 
 // Configure paths relative to this file
 const __filename = fileURLToPath(import.meta.url);