added direct links to recent river crossing examples #141

	name: GitHub Pages and Release PDF

	on:
	push:
	branches:
	- main
	tags:
	- 'v*'
	workflow_dispatch:

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive
	fetch-depth: 0

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Upgrade pip
	run: \|
	python3 -m pip install --upgrade pip

	- name: Get pip cache dir
	id: pip-cache
	run: echo "::set-output name=dir::$(pip cache dir)"

	- name: Cache dependencies
	uses: actions/cache@v4
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: python3 -m pip install -r ./requirements.txt

	- name: Generate HTML using Sphinx
	run: \|
	make html
	echo lucformalmethodscourse.github.io > build/html/CNAME

	- name: Generate LaTeX using Sphinx
	run: \|
	make latex

	- name: make latexpdf via TeXLive
	uses: xu-cheng/texlive-action@v2
	with:
	scheme: full
	run: \|
	apk add make
	make -C build/latex

	- name: Publish HTML to GitHub Pages
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./build/html

	- name: Publish PDF to GitHub Releases
	uses: softprops/action-gh-release@v2
	if: startsWith(github.ref, 'refs/tags/')
	with:
	files: \|
	build/latex/formalmethods.pdf

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