Add rubocop #283

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	rspec:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	ruby:
	- 3.1
	- 3.2
	- 3.3
	rails:
	- "7.0"
	- 6.1
	env:
	BUNDLE_GEMFILE: Gemfile
	RAILS_VERSION: ${{ matrix.rails }}
	name: "RSpec tests: Ruby ${{ matrix.ruby }}; Rails ${{ matrix.rails }}"
	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby ${{ matrix.ruby }}
	uses: ruby/setup-ruby@v1
	with:
	bundler-cache: false
	ruby-version: ${{ matrix.ruby }}
	- name: Update bundler
	run: gem install bundler && bundle install
	- name: Run tests
	run: bundle exec rspec
	static_type_check:
	name: "Type Check"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	bundler-cache: true
	ruby-version: 3.3
	- name: Run static type checks
	run: bundle exec srb tc
	notify_on_failure:
	runs-on: ubuntu-latest
	needs: [rspec, static_type_check]
	if: ${{ failure() && github.ref == 'refs/heads/main' }}
	env:
	SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
	SLACK_WEBHOOK_TYPE: INCOMING_WEBHOOK
	steps:
	- uses: slackapi/slack-github-action@v1.25.0
	with:
	payload: \|
	{
	"text": "${{ github.repository }}/${{ github.ref }}: FAILED\n${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
	}

Provide feedback