Rework around hardware widget interface

Closes #56 (closed)

An hardware widget now receives:

• options to contain the user options from the yaml layout files
• hardware which is the hardware data from the mashmallow schema + requestChange
• schema which is a static description
• addToast, which is a feature provided by the app
• disabled, which is a state from the user/session env

Other changes are:

• Move hardware mocks
• Added Wrapper on hardware documentation