Add link to new Pilsen course. #181

	name: Freeze the site
	on:
	push:
	pull_request:
	workflow_dispatch:
	repository_dispatch:
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.11
	- name: Poetry cache
	uses: actions/cache@v2
	with:
	path: ~/.cache/pypoetry
	key: poetry-cache-${{ runner.os }}-${{ hashFiles('poetry.lock') }}-${{ hashFiles('.github/workflows/*.yml') }}
	- name: Pip cache
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: pip-cache-${{ runner.os }}-${{ hashFiles('.github/workflows/*.yml') }}
	- name: Install dependencies
	run: \|
	python -m pip install poetry
	poetry install
	- name: Freeze the site
	run: \|
	export NAUCSE_MAIN_REPO_URL=https://github.com/$GITHUB_REPOSITORY
	export NAUCSE_MAIN_REPO_BRANCH=$GITHUB_REF_NAME
	poetry run python -m naucse freeze --verbose
	- if: ${{ github.ref == 'refs/heads/master' }}
	name: Publish the site
	run: \|
	poetry run python -m naucse deploy --push --no-freeze
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	GIT_AUTHOR_NAME: ghp_import
	GIT_COMMITTER_NAME: ghp_import
	EMAIL: none@invalid

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