Replace Webpack with Vite #156

	##
	# Runs builds on GitHub pull requests to test that they should be working fine.
	# Actual builds and deployments are run in Azure DevOps.
	##
	name: Test builds
	on: pull_request
	jobs:
	test-client:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: client
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: '20'
	- name: Install dependencies
	run: npm ci
	- name: Build
	run: npm run build
	test-server:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: server
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	with:
	node-version: '20'
	- name: Install dependencies
	run: npm ci
	- name: Build
	run: npm run build

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