Add support for macOS environment

[ppawlowski]

Description

Add support for macOS for Device Agent installation script. Existing Linux functionality should be available on macOS as well.

Our documentation mentions macOS since steps are common for Linux OS as well. However, some parts may differ, like running Device Agent as a service.
@joepavitt Is support for macOS something we should implement at all?

Epic/Story

No response

[joepavitt]

@joepavitt Is support for macOS something we should implement at all?

Yes please