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ci: validate tutorial builds and document contribution checks #1

	name: CI

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

	permissions:
	contents: read

	concurrency:
	group: ci-${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	docs:
	name: Documentation build and validation
	runs-on: ubuntu-latest
	timeout-minutes: 15
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-node@v4
	with:
	node-version: 24
	cache: npm
	- name: Install locked dependencies
	run: npm ci
	- name: Build site and check internal page links and content index
	run: npm test