Add message content validators, update code comments #116

	name: Build

	on: [pull_request]

	jobs:
	prettier:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v3
	with:
	node-version: 18.14.0
	cache: "yarn"
	- name: Install Yarn v3
	run: \|
	corepack enable
	corepack prepare yarn@3.4.1 --activate
	- name: Install dependencies
	run: yarn
	- name: Check code format
	run: yarn format:check

	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v3
	with:
	node-version: 18.14.0
	cache: "yarn"
	- name: Install Yarn v3
	run: \|
	corepack enable
	corepack prepare yarn@3.4.1 --activate
	- name: Install dependencies
	run: yarn
	- name: Lint
	run: yarn lint

	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v3
	with:
	node-version: 18.14.0
	cache: "yarn"
	- name: Install Yarn v3
	run: \|
	corepack enable
	corepack prepare yarn@3.4.1 --activate
	- name: Start docker container
	run: ./dev/up
	- name: Install dependencies
	run: yarn
	- name: Run tests
	run: yarn test
	- name: Stop docker container
	run: ./dev/down

	typecheck:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v3
	with:
	node-version: 18.14.0
	cache: "yarn"
	- name: Install Yarn v3
	run: \|
	corepack enable
	corepack prepare yarn@3.4.1 --activate
	- name: Install dependencies
	run: yarn
	- name: Check types
	run: yarn typecheck

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