Mention translation model in README #114

	name: Test

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

	jobs:
	test:
	services:
	postgres:
	image: postgres
	env:
	POSTGRES_DB: i18n_unittest
	POSTGRES_PASSWORD: postgres
	ports:
	- 5432:5432
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	mysql:
	image: mysql:5.7
	env:
	MYSQL_DATABASE: i18n_unittest
	MYSQL_ALLOW_EMPTY_PASSWORD: true
	ports:
	- '3306:3306'
	options: >-
	--health-cmd="mysqladmin ping"
	--health-interval=10s
	--health-timeout=5s
	--health-retries=3
	strategy:
	fail-fast: true
	matrix:
	ruby: [2.5, 2.6, 2.7, '3.0', 3.1, 3.2, 'head']
	rails: [4, 5, 6, 7, 'head']
	exclude:
	- ruby: 2.5
	rails: 7
	- ruby: 2.5
	rails: head
	- ruby: 2.6
	rails: 7
	- ruby: 2.6
	rails: head
	- ruby: 2.7
	rails: 4
	- ruby: '3.0'
	rails: 4
	- ruby: '3.0'
	rails: 5
	- ruby: 3.1
	rails: 4
	- ruby: 3.1
	rails: 5
	- ruby: 3.2
	rails: 4
	- ruby: 3.2
	rails: 5
	- ruby: head
	rails: 4
	- ruby: head
	rails: 5
	name: 'Ruby: ${{ matrix.ruby }}, Rails: ${{ matrix.rails }}'
	runs-on: ubuntu-latest
	env:
	BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/rails_${{ matrix.rails }}.gemfile
	steps:
	- uses: actions/checkout@v2
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	cache-version: 2
	- name: Run tests for SQLite
	run: bundle exec rake
	- name: Run tests for PostgreSQL
	env:
	DB: postgres
	run: bundle exec rake
	- name: Run tests for MySQL
	env:
	DB: mysql
	run: bundle exec rake

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