Remove decorative icons and update CORS configuration

api/.env.example

@@ -0,0 +1,14 @@
+# Database connection
+DATABASE_URL=postgresql://username:password@localhost:5432/filamenteka
+
+# JWT Secret
+JWT_SECRET=your-secret-key-here
+
+# Admin password
+ADMIN_PASSWORD=your-admin-password
+
+# Server port
+PORT=4000
+
+# Environment
+NODE_ENV=development