docs: add `Usage` and `README` document #4

	# copy from: https://github.com/frankie567/httpx-ws/blob/main/.github/workflows/docs.yml

	name: Build documentation

	on:
	push:
	branches:
	- main
	workflow_dispatch:

	# Allow one concurrent deployment
	concurrency:
	group: "pages"
	cancel-in-progress: true

	# Default to bash
	defaults:
	run:
	shell: bash

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	# https://github.com/timvink/mkdocs-git-revision-date-localized-plugin#note-when-using-build-environments
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.10"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install hatch
	- name: Build
	run: hatch run docs:docs-build
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v2
	with:
	path: ./site

	deploy:
	needs: build
	# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
	permissions:
	pages: write # to deploy to Pages
	id-token: write # to verify the deployment originates from an appropriate source
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2

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