update `environment.yml` with sphinx dependancies #4

	name: Doc Build and Upload

	on:
	push:
	branches:
	- sg_docs

	env:
	ENV_FILE: environment.yml
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	permissions:
	contents: read

	jobs:
	web_and_docs:
	name: Doc Build and Upload
	runs-on: ubuntu-22.04

	# concurrency:
	# # https://github.community/t/concurrecy-not-work-for-push/183068/7
	# group: ${{ github.event_name == 'push' && github.run_number \|\| github.ref }}-web-docs
	# cancel-in-progress: true

	defaults:
	run:
	shell: bash -el {0}

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Conda
	uses: ./.github/actions/setup-conda
	with:
	environment-file: ${{ env.ENV_FILE }}

	- name: Build Sphinx documentation
	run: \|
	conda run -n myenv sphinx-build -b html docs docs/build/html

	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./docs/_build/html # Change this if your output directory is different

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