docs: Remove `Introduction` section from page with no other sections … #439

	name: publish_docs

	on:
	push:
	branches:
	- main
	create:
	tags:
	- '*'

	jobs:
	publish_docs:
	if: github.event_name == 'push' \|\| (github.event_name == 'create' && github.event.ref_type == 'tag')
	runs-on: ubuntu-latest
	steps:
	- name: Prepare branch name
	run: >
	echo "refName=${GITHUB_REF##*/}" >> $GITHUB_ENV
	- name: Checkout relevant branch
	uses: actions/checkout@v4
	with:
	ref: ${{ env.refName }}
	- name: Checkout gh-pages
	uses: actions/checkout@v4
	with:
	ref: gh-pages
	path: target/gh-pages
	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	distribution: zulu
	java-version: 17
	- name: Run docs generation
	run: >
	./mvnw --no-transfer-progress clean git-commit-id:revision@get-the-git-infos resources:copy-resources@prepare-asciidoc resources:copy-resources@copy-classes asciidoctor:process-asciidoc@generate-html-docs -pl docs &&
	mkdir -p target/gh-pages/${refName}/ &&
	mv docs/target/generated-docs/index.html target/gh-pages/${refName}/
	- name: Update index
	if: (github.event_name == 'create' && github.event.ref_type == 'tag')
	run: sed -e "s/\${current}/${refName}/g" ./etc/index.tpl > ./target/gh-pages/index.html
	- name: Commit to gh-pages
	working-directory: ./target/gh-pages
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add .
	git commit -m "Update GH-Pages."
	- name: Push changes
	uses: ad-m/[email protected]
	with:
	directory: target/gh-pages
	branch: gh-pages
	github_token: ${{ secrets.GITHUB_TOKEN }}

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