rework type checker to be closer to real style #132

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events but only for the main branch
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	- name: Setup Racket environment
	uses: Bogdanp/[email protected]
	with:
	# Racket version to use.
	version: 8.1

	- name: Install Package and its Dependencies
	run: raco pkg install --auto --batch

	- name: Run racket
	uses: GabrielBB/xvfb-action@v1
	with:
	run: raco test racket
	working-directory: ./ #optional
	options: #optional

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