Mise à jour du fichier de configuration et patch MQTT

VNode/services/buzzer/buzzer-manager.js

@@ -1,8 +1,14 @@
 // Import necessary modules
 const mqtt = require('mqtt');
+const fs = require('fs');
+const path = require('path');
+
+// Load configuration
+const configPath = path.join(__dirname, '../config/configuration.json');
+const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
 
 // MQTT broker configuration
-const brokerUrl = 'mqtt://nanomq'; // Broker URL (change if needed)
+const brokerUrl = config.mqttHost;
 const clientId = 'buzzer_manager';
 const options = {
     clientId,