Add working coverage reporting (and change build system to support that) #412

	name: CI
	on:
	pull_request: ~
	push:
	branches:
	- develop
	- master
	jobs:
	run:
	runs-on: ubuntu-latest
	steps:
	- name: Check out repository
	uses: actions/checkout@v2

	- name: Set up Node
	uses: actions/setup-node@v2
	with:
	node-version: 18
	check-latest: true

	- name: Cache dependencies
	id: cache-dependencies
	uses: actions/cache@v2
	with:
	path: node_modules
	key: ${{ runner.os }}-${{ hashFiles('**/package-lock.json') }}

	- name: Install dependencies
	if: steps.cache-dependencies.outputs.cache-hit != 'true'
	run: npm ci

	- name: Build project
	run: npm run build

	- name: lint
	run: npm run lint

	- name: test
	run: npm run test

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