Update README.md #42

	name: CI

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- '**'

	jobs:
	ci:
	runs-on: ubuntu-latest

	services:
	db:
	image: postgres:10.19
	env:
	POSTGRES_DB: activerecord_json_validator_test
	POSTGRES_USER: postgres
	POSTGRES_PASSWORD: postgres
	ports: ['5432:5432']
	options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

	env:
	CANONICAL_HOST: localhost
	DATABASE_URL: postgres://postgres:postgres@localhost/activerecord_json_validator_test
	DB_ADAPTER: postgresql

	steps:
	- uses: actions/checkout@v2
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: '2.7.5'
	bundler-cache: true
	- run: bundle exec rubocop
	- run: bundle exec rake spec

Provide feedback