Update docs and examples for using pure express without connect #56

	name: nodeunit tests
	on: [push]
	jobs:
	build:
	runs-on: ubuntu-latest

	services:
	redis:
	image: redis
	options: >-
	--health-cmd "redis-cli ping"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 6379:6379

	steps:
	- uses: actions/checkout@v2
	- name: Use Node.js
	uses: actions/setup-node@v2
	with:
	node-version: '16.x'
	- run: \|
	sudo apt-get install postgresql libpq-dev
	sudo service postgresql start
	sudo -u postgres createuser --superuser runner
	sudo -u postgres createdb sharejs_example
	- run: npm install
	- run: npm run test

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