New features

• Connect to MQTT brokers and trigger runnables in response to published messages.
• Subscribe to multiple topics with configurable QoS levels.
• Process messages with basic scripts or use preprocessors for advanced message handling.
• Access message metadata including topic, QoS level, and MQTT v5 properties.
• Support for both MQTT v3 and MQTT v5 protocols with configurable options.
• Automatically generate TypeScript script templates for message processing.