Add automatic deployment onto the raspberry pi and Azure

Whenever a new version is released into master (or through a tag), a deployment of the pyscript onto the raspberry pi should kick off as well as a deployment of the server side components into Azure.

Maybe the following links can help deploying on the raspberry pi:

- https://blogs.msdn.microsoft.com/iotdev/2018/11/13/setup-azure-iot-edge-ci-cd-pipeline-with-arm-agent/
- https://azure.microsoft.com/en-us/resources/samples/custom-vision-service-iot-edge-raspberry-pi/