Build Mongoose OS firmware V2

Mongoose OS docker action - V2

This action builds Mongoose OS firmware files using the mos tool and it's integrated build service.

Name	Description	Required?	Default
`mos-yml-path`	path to mos.yml file	no	`.`
`platform`	target platform for this build	no	`esp8266`
`build-args`	further build arguments	no	-

The compiled firmware can be found in ./build/fw.zip

Build:

uses: yaourdt/mongoose-os-action@v2.0.2
with:
  mos-yml-path: .
  platform: esp8266
  build-args: --build-var MODEL=Shelly1

Do something with the result (e.g. upload as artifact):

uses: actions/upload-artifact@v2
with:
  name: my-firmware
  path: ./build/fw.zip