Restructure IRB's documentation #91

	name: build-with-truffleruby-head

	on:
	push:
	pull_request:
	schedule:
	- cron: "30 14 * * *"

	jobs:
	irb:
	name: rake test truffleruby-head ${{ matrix.with_latest_reline && '(latest reline)' \|\| '' }}
	strategy:
	matrix:
	with_latest_reline: [true, false]
	fail-fast: false
	runs-on: ubuntu-latest
	env:
	WITH_LATEST_RELINE: ${{matrix.with_latest_reline}}
	timeout-minutes: 30
	steps:
	- uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: truffleruby-head
	bundler-cache: true
	- name: Run tests
	run: bundle exec rake test
	- name: Run tests in isolation
	run: bundle exec rake test_in_isolation

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