Documentation: host different versions of docs in javadoc branch #99

	name: JavaDoc

	on:
	push:
	branches:
	- master

	jobs:
	publish:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- uses: actions/setup-java@v3
	with:
	java-version: 11
	distribution: adopt
	cache: maven

	- name: Generate Javadoc with Maven
	run: \|
	mvn javadoc:aggregate
	mv target/site/apidocs ${{ runner.temp }}/docs-snapshot

	- uses: actions/checkout@v3
	with:
	ref: docs

	- name: Copy Javadoc to Documentation Branch
	run: \|
	mkdir -p ${{ runner.temp }}/docs
	mv index.html ${{ runner.temp }}/docs/
	mv 0.1.1.2 ${{ runner.temp }}/docs/
	mv ${{ runner.temp }}/docs-snapshot/index.html ${{ runner.temp }}/docs-snapshot/index-main.html
	mv ${{ runner.temp }}/docs-snapshot ${{ runner.temp }}/docs/0.1.1.2-snapshot

	- name: Deploy to Documentation Branch
	uses: JamesIves/github-pages-deploy-action@v4.4.1
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	branch: docs
	clean: true
	folder: ${{ runner.temp }}/docs
	target-folder: .

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