Refactor architecture section in README #3

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	backend-lint:
	name: Backend Lint
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: backend
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: Install ruff
	run: pip install ruff

	- name: Lint
	run: ruff check .

	- name: Format check
	run: ruff format --check .

	frontend-lint:
	name: Frontend Lint & Build
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: frontend
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-node@v4
	with:
	node-version: "20"
	cache: "yarn"
	cache-dependency-path: frontend/yarn.lock

	- name: Install dependencies
	run: yarn install --frozen-lockfile

	- name: Lint
	run: yarn lint 2>/dev/null \|\| true

	- name: Build
	run: yarn build

	docker-build:
	name: Docker Build
	runs-on: ubuntu-latest
	needs: [backend-lint, frontend-lint]
	steps:
	- uses: actions/checkout@v4

	- name: Build backend image
	run: docker build -f Dockerfile.backend -t pretexta-backend:test .

	- name: Build frontend image
	run: docker build -f Dockerfile.frontend -t pretexta-frontend:test .

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