Mention another alternative to jpackage/packr in the README #61

	# This is a basic workflow to help you get started with Actions

	name: CI

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	strategy:
	matrix:
	os: [macos-latest, ubuntu-latest, windows-latest]
	# The type of runner that the job will run on
	runs-on: ${{ matrix.os }}

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2
	- uses: actions/setup-java@v1
	with:
	java-version: 8
	- name: Setup C++ environment
	uses: kurocha/setup-cpp@v1

	# Runs a single command using the runners shell
	- name: Run a one-line script
	run: ./gradlew --refresh-dependencies --no-build-cache -i --stacktrace clean build

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