update third seminar and list of questions #17

	# .github/workflows/lectures.yml

	name: Build and Deploy Lectures

	on:
	push:
	branches: [ main ] # или ваша основная ветка
	workflow_dispatch:

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

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

	- name: Install full TeX Live (with XeLaTeX and Cyrillic support)
	run: \|
	sudo apt-get update
	sudo apt-get install -y \
	texlive-xetex \
	texlive-latex-recommended \
	texlive-latex-extra \
	texlive-fonts-recommended \
	texlive-lang-cyrillic \
	fonts-dejavu fonts-freefont-otf fonts-freefont-ttf

	- name: Create output directory
	run: mkdir -p dist/lectures

	- name: Compile .tex files with XeLaTeX
	run: \|
	cd lections
	for texfile in lecture*.tex; do
	if [ -f "$texfile" ]; then
	filename="${texfile%.tex}"
	echo "Compiling $texfile → $filename.pdf"
	# Первый проход
	xelatex -interaction=nonstopmode "$texfile"
	# Второй проход (для ссылок, TOC и т.д.)
	xelatex -interaction=nonstopmode "$texfile"
	# Копируем PDF в целевую папку
	mv "${filename}.pdf" ../dist/lectures/
	# Опционально: удаляем временные файлы
	rm -f "${filename}.aux" "${filename}.log" "${filename}.out" "${filename}.toc"
	fi
	done

	- name: Copy .txt files
	run: \|
	cp lections/*.txt dist/lectures/

	- name: Publish generated content to GitHub Pages
	uses: tsunematsu21/actions-publish-gh-pages@v1.0.2
	with:
	dir: dist
	branch: pages
	token: ${{ secrets.ACCESS_TOKEN }}

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