docs: add setup instructions to readme (with and without Docker) #5

	name: CI
	on:
	push:

	jobs:
	build:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	node-version: [20.17]
	steps:
	- uses: actions/checkout@v4
	- name: Install pnpm
	uses: pnpm/action-setup@v4
	with:
	version: 9.10.0
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	cache: 'pnpm'
	- name: Install dependencies
	run: pnpm install
	- name: Lint code using ESLint
	run: pnpm lint:js
	- name: Lint code using Stylelint
	run: pnpm lint:css
	- name: Check formatting using Prettier
	run: pnpm prettier
	- name: Check types via the TypeScript compiler
	run: pnpm types
	- name: Validate current commit (last commit) with commitlint
	if: github.event_name == 'push'
	run: npx commitlint --last --verbose

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