[core] WAHA_CLIENT_DEVICE_NAME in .env

.env.example

@@ -22,6 +22,8 @@ WHATSAPP_SWAGGER_ENABLED=True
 # WhatsApp engine (WEBJS is default, GOWS or NOWEB for better performance)
 WHATSAPP_DEFAULT_ENGINE=WEBJS
 
+# WAHA_CLIENT_DEVICE_NAME=YourApp
+
 # Base URL for the API (used for webhooks, file URLs, etc.)
 WAHA_BASE_URL=http://localhost:3000
 # WAHA_PUBLIC_URL=http://localhost:3000