v2.3.1

New improvements or features:

• Add offline diagnostic feature

Enhancements or amendments:

• Can get server environment(prod, acc, stg) info via st_info_get func
• Can add each DIP info corresponding each environment(prod, acc, stg) in onboarding_config
• Add sound detection capability helper
• Add reboot config option for device delete event
• Add sensitive info type log
• Add unittest and code style checker Github workflow
• Modify manual onboarding script using paho MQTT python library
• Reformat code based on style rule
• Replace device callback status with intuitive and efficient ones

Bug fixed:

• Limit BLE adv local name max size
• Deinit BLE module after onboarding complete
• Clean up queue and other memory when clean up device
• Fix ble message overflow
• Add wifi wrong password error case in ESP32
• Update vid along with DIP update