chore: change default thumbnail concurrency and auto-detect container core count #45

	name: Docs build
	on:
	push:
	branches: [main]
	paths:
	- "docs/**"
	pull_request:
	branches: [main]
	paths:
	- "docs/**"
	release:
	types: [published]

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

	jobs:
	build:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./docs

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Run npm install
	run: npm ci

	- name: Check formatting
	run: npm run format

	- name: Run build
	run: npm run build

	- name: Upload build output
	uses: actions/upload-artifact@v4
	with:
	name: docs-build-output
	path: docs/build/
	retention-days: 1

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