GH Actions: replace Jekyll build with MKDocs #52

	name: Deploy site
	on: [push]
	jobs:
	deploy:
	name: Linux Ubuntu 22.04
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0 # needed for accurate dates and blog plugin
	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- name: Install Poetry
	run: python3 -m pip install --upgrade poetry
	- name: Cache build data
	uses: actions/cache@v3
	with:
	key: mkdocs-cache-${{ runner.os }}-${{ hashFiles('/poetry.lock', '/mkdocs.yml') }}
	path: .cache
	- name: Install dependencies
	run: poetry install
	- name: Download assets
	run: poetry run python3 scripts/assets/download.py
	- name: Build assets
	run: poetry run python3 scripts/assets/uglify.py
	- name: Build site
	run: poetry run mkdocs build
	- name: Upload to GitHub pages
	if: github.ref_name == 'master' && github.event_name != 'pull_request'
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_branch: www
	publish_dir: ./_site
	force_orphan: true

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