Add shellcheck github workflow #2

	# This workflow will verify the exercises in the repository.
	#
	# Requires scripts:
	# - bin/verify-exercises

	name: Test

	on:
	push:
	branches: [main]
	pull_request:
	workflow_dispatch:

	jobs:
	verify_exercises:
	# TODO: replace with another image if required to run the tests (optional)
	runs-on: ubuntu-22.04

	steps:
	- name: Checkout repository
	uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332

	# TODO: setup any tooling that is required to run the tests (optional)
	# E.g. install a specific version of a programming language
	# E.g. install packages via apt/apk/yum/etc.
	# Find GitHub Actions to setup tooling here:
	# - https://github.com/actions/?q=setup&type=&language=
	# - https://github.com/actions/starter-workflows/tree/main/ci
	# - https://github.com/marketplace?type=actions&query=setup
	# - name: Use <setup tooling>
	# uses: <action to setup tooling>

	# TODO: install any dependencies (optional)
	# E.g. npm install, bundle install, etc.
	# - name: Install project dependencies
	# run: <install dependencies>

	- name: Verify all exercises
	run: bin/verify-exercises

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