Script to automatically build and flash device for end user.

[gabrielblomberg]

For the sake of useability, we need a script that will automatically build the application and flash it to a device. This way a user can simply install docker and run the script to flash a new device.

The script needs to:

• Build the docker image.
• Build the application in the docker image.
• Extract the executable.
• Flash the autodetected device with the executable

[gabrielblomberg]

Altwrnatively we release the final elf file and have the script download and flash that, no docker required.