Add a Mermaid system diagram showing data flows and AWS resources #154

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	workflow_dispatch:

	jobs:
	lint-and-test:
	runs-on: ubuntu-latest

	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Read .python-version
	run: echo "##[set-output name=PYTHON_VERSION;]$(cat .python-version)"
	id: python-version

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "${{ steps.python-version.outputs.PYTHON_VERSION }}"

	- name: Install poetry
	shell: bash
	run: \|
	curl -sSL https://install.python-poetry.org \| python3 -
	echo "/root/.local/bin" >> $GITHUB_PATH

	- name: Install Python dependencies
	shell: bash
	run: poetry install

	- name: Lint backend code
	shell: bash
	run: poetry run flake8

	- name: Test backend code
	shell: bash
	run: poetry run pytest -k 'not test_task_queue'

	- name: Read .nvmrc
	run: echo "##[set-output name=NVMRC;]$(cat .nvmrc)"
	id: nvm

	- name: Set up Node.js
	uses: actions/setup-node@v3
	with:
	node-version: "${{ steps.nvm.outputs.NVMRC }}"

	- name: Install npm dependencies, lint, and test frontend code
	run: \|
	cd nad_ch/controllers/web
	npm install
	npm run lint
	npm test

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