added workflow to publish new version #45

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	name: Dart

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	sdk: [stable, dev, 2.12.0]

	env:
	REDIS_URL: localhost
	REDIS_PORT: 6379

	services:
	redis:
	image: redis
	ports: ['6379:6379']

	steps:
	- uses: actions/checkout@v2

	# Note: This workflow uses the latest stable version of the Dart SDK.
	# You can specify other versions if desired, see documentation here:
	# https://github.com/dart-lang/setup-dart/blob/main/README.md
	# - uses: dart-lang/setup-dart@v1
	- uses: dart-lang/setup-dart@v1
	with:
	sdk: ${{ matrix.sdk }}

	- name: Install dependencies
	run: dart pub get

	# Uncomment this step to verify the use of 'dart format' on each commit.
	# - name: Verify formatting
	# run: dart format --output=none --set-exit-if-changed .

	# Consider passing '--fatal-infos' for slightly stricter analysis.
	- name: Analyze project source
	run: dart analyze --fatal-infos

	# Your project will need to have tests in test/ and a dependency on
	# package:test for this step to succeed. Note that Flutter projects will
	# want to change this to 'flutter test'.
	- name: Run tests
	run: dart test

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