Adds minicom and sudo to the docker image
Switches the shebang line to bash to fix a bug in uart_log.sh when
inside the container (-n option to read requires bash)
Pick the serial device by ID, allowing us to safely predict the paths to find the left and right bud at
Also improve the script so it asks which bud we'd like to debug
Specify necessary minicom options, so it opens even if the default configuration is invalid