Migrate to airrohr-firmware
This release comes with the support of airrohr-firmware from [opendata-stuttgart](https://github.com/opendata-stuttgart/sensors-software) and includes the firmware flasher for convenience. Yet it allows data transmission to IPFS that is visible by https://sensors.robonomics.network/#/
Firmware
The present firmware is forked from the main repository and Robonomics endpoint is added. Also we added fields to specify static GPS coordinates