add support for flutter using dart generator #1

	name: Dart Tests
	on:
	push:
	branches:
	- main
	pull_request:
	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: dart-lang/setup-dart@v1
	with:
	sdk: 3.4.0
	- name: Cache Dart dependencies
	uses: actions/cache@v2
	with:
	path: ~/.pub-cache
	key: ${{ runner.os }}-dart-${{ hashFiles('**/pubspec.lock') }}
	restore-keys: \|
	${{ runner.os }}-dart-
	- uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true # Runs 'bundle install' and caches installed gems automatically
	- name: Generate Dart Code & Run Tests
	run: bundle exec rake test_dart

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