Adds support for drawbar disinfection machines, including
PWM blower control and air leak test functionality.
Refactors blower and air compressor control into services and
controllers for better modularity and testability.
These services handle the hardware-specific implementations, while the
controllers manage the application logic and protocol interactions.
Updates board initialization and configuration to support the new
hardware setup.
Adds a flag to enable/disable period log output.
zhaohe