Integrate alexa voice commands to the robot

[danionescu0]

Maybe say something like:
left 30 degreeds, forward 1 secod etc

[danionescu0]

This is a work in progress now.
An AWS account will be needed; Alexa echo dot 3
A Flask webserver that listenes and intrerpret the commands
And ngrok tunnel

[danionescu0]

The code works now
ToDos:

• Code cleaning is needed
• implementation of light commands
• write tests