chore: add docs to libraries #20

	name: sns-pull
	on:
	pull_request:
	paths:
	- sns/**
	jobs:
	build-sns:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	sparse-checkout: sns
	- name: Setup Node.js
	uses: actions/setup-node@v3
	with:
	node-version: 20.x
	registry-url: https://registry.npmjs.org
	- name: Install winglang
	run: npm i -g winglang
	- name: Install dependencies
	run: npm install --include=dev
	working-directory: sns
	- name: Test
	run: wing test
	working-directory: sns
	- name: Generate docs
	run: wing gen-docs
	working-directory: sns
	- name: Pack
	run: wing pack
	working-directory: sns
	- name: Check for missing changes
	run: git diff --exit-code \|\| (echo 'Please run "npm install", "wing test", and
	"wing gen-docs" from ./sns, and commit any changes to your branch.' &&
	exit 1)

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