diff --git a/src/config.js.example b/src/config.js.example
new file mode 100644
index 0000000..559f60b
--- /dev/null
+++ b/src/config.js.example
@@ -0,0 +1,4 @@
+// config.js
+export default {
+  mqttBrokerUrl: 'ws://localhost:9001'
+};