[SECURESIGN-1466] | Custom Rekor Configuration support with sharding #28

	name: Preview readme files on PRs
	on:
	pull_request:
	paths: '**/README.md'

	jobs:
	preview-readme:
	permissions:
	contents: write
	pull-requests: write
	runs-on: ubuntu-latest
	env:
	BRANCH: docspreview/pr-${{ github.event.pull_request.number }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Preview readmes
	run: \|
	python -m pip install --upgrade pip
	pip install -r testing-requirements.txt
	make readme-preview
	- name: Push readmes to a separate branch
	id: push_readmes
	run: \|
	git fetch origin
	git config user.name github-actions
	git config user.email github-actions@github.com
	git checkout ${BRANCH} \|\| git switch --orphan ${BRANCH}
	mv README.html collection-readme.html
	mv roles/tas_single_node/README.html role-readme.html
	git add collection-readme.html role-readme.html
	git commit --allow-empty -m "Update generated docs"
	if [ -z "$(git show --format='')" ]; then exit 0; fi
	echo "changed=true" >> $GITHUB_OUTPUT
	git push --set-upstream origin ${BRANCH}
	- uses: mshick/add-pr-comment@v2
	if: steps.push_readmes.outputs.changed == 'true'
	with:
	allow-repeats: true
	message: \|
	Hi :wave: here are your HTML README previews:
	* [Collection readme preview](https://html-preview.github.io/?url=https://raw.githubusercontent.com/securesign/artifact-signer-ansible/refs/heads/${{ env.BRANCH }}/collection-readme.html)
	* [Role readme preview](https://html-preview.github.io/?url=https://raw.githubusercontent.com/securesign/artifact-signer-ansible/refs/heads/${{ env.BRANCH }}/role-readme.html)

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