feat: use `ember-showdown-shiki` for syntax highlighting #90

	name: CI

	on:
	push:
	branches:
	- main
	- master
	pull_request: {}

	concurrency:
	group: ci-${{ github.head_ref \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	name: "Tests"
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: 18.x
	cache: npm
	- run: npm i -g npm@7
	- run: npm ci
	- run: npm run lint
	- run: npx percy exec -- npm run test:ember
	env:
	CI: true
	PERCY_TOKEN: ce5e8d59a35851ea07032b21668a6718e8daf4ac8da2f4f3fdcafc8c89dd0a0f

	floating:
	name: "Floating Dependencies"
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: 18.x
	cache: npm
	- run: npm i -g npm@7
	- run: npm install --no-shrinkwrap
	- run: npm run test:ember

	try-scenarios:
	name: ${{ matrix.try-scenario }}
	runs-on: ubuntu-latest
	needs: 'test'

	strategy:
	fail-fast: false
	matrix:
	try-scenario:
	- ember-lts-3.16
	- ember-lts-3.20
	- ember-lts-3.24
	- ember-lts-3.28
	- ember-release
	- ember-beta
	- ember-canary
	- ember-classic
	- ember-default-with-jquery
	- embroider-safe
	- embroider-optimized
	- no-deprecations
	- ember-release-no-deprecations

	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: 18.x
	cache: npm
	- run: npm i -g npm@7
	- run: npm ci
	- name: Run Tests
	run: ./node_modules/.bin/ember try:one ${{ matrix.try-scenario }}

Provide feedback