docs(config): More accurate description about cname_support #230

	name: Unit Test

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	unit-test:
	name: Unit Test
	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	# ref: https://www.oracle.com/java/technologies/java-se-support-roadmap.html
	java-version: [ "8", "11", "15" ]
	os: [ubuntu-latest, windows-latest, macos-latest]
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2
	- name: Set up JDK ${{ matrix.java-version }}
	uses: actions/setup-java@v1
	with:
	java-version: ${{ matrix.java-version }}
	# cache Gradle package to speed up future runs after a successful run.
	- name: Cache Gradle packages
	uses: actions/cache@v2
	with:
	path: ~/.gradle/caches
	key: ${{ matrix.os }}-gradle-${{ hashFiles('*/.gradle') }}
	restore-keys: ${{ matrix.os }}-gradle
	- name: Grant execute permission for gradlew
	run: chmod +x gradlew
	# gradle build process include test phase.
	- name: Build with Gradle
	run: ./gradlew build
	# store the built packages as part of the workflow run.
	# Allow us to download these artifacts and import to project to help local test.
	# with matrix, Each job overwrites what was previously uploaded, but it's fine for us.
	- uses: actions/upload-artifact@v2
	with:
	name: Package
	path: build/libs
	retention-days: 7

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