change makefiles extension #5

	# Publish the docs to https://cceh.github.io/capitularia/
	#
	# make tar-docs
	# git add docs
	# git commit -m "update docs"
	# git push
	#
	name: Publish Docs

	on: push

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	sparse-checkout: docs/gh-pages

	- name: Upload artifact
	id: upload-artifact
	uses: actions/upload-artifact@v4
	with:
	name: github-pages
	path: docs/gh-pages/artifact.tar.gz # built by: make tar-docs
	retention-days: 1
	if-no-files-found: error

	deploy:
	needs: build

	# Grant GITHUB_TOKEN the permissions required to make a Pages deployment
	permissions:
	pages: write # to deploy to Pages
	id-token: write # to verify the deployment originates from an appropriate source

	# Deploy to the github-pages environment
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	runs-on: ubuntu-latest

	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4 # or specific "vX.X.X" version tag for this action

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