[doc] add debug info in doc build workflow #6

	name: sphinx build doc html

	on:
	push:
	branches:
	- main

	jobs:
	build-html:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: '3.9'
	- name: Install dependencies
	run: \|
	pwd
	ls -al
	python -m pip install --upgrade pip
	pip install -r docs/requirements.txt
	- name: Build HTML
	run: \|
	pwd
	ls -al
	cd docs
	make html
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	with:
	publish_branch: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: docs/_build/html
	force_orphan: true

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