* USART Bridge: added support for software control of DE/RE pins
* USART Bridge: fix syntax
* UsbUsartBridge: add TODO ticket
* UsbUsartBridge: add second TODO ticket
* GpioUartBridge: human readable configuration
* GpioUartBridge: rename `Soft DE/RE` to `DE/RE Pin`
* GpioUartBridge: push pull for DE/RE pin
Co-authored-by: あく <alleteam@gmail.com>