Grant actions write access to gh-pages + force_orphan on first deploy #2

	name: Deploy Jupyter Book
	on:
	push:
	branches: ["main"]
	workflow_dispatch:

	permissions:
	contents: write # <<< allow pushing to gh-pages

	jobs:
	build-deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	- name: Install deps
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Build Jupyter Book
	run: \|
	jupyter-book build book
	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./book/_build/html
	publish_branch: gh-pages
	force_orphan: true

Provide feedback