feat：优化说明部分内容 #2643 #4

	name: Build assembly application and test

	# 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 ]
	paths:
	- 'src/backend/**'
	pull_request:
	branches: [ master, release-* ]
	paths:
	- 'src/backend/**'
	# 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-and-test:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# 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
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: 1.8
	- name: Cache Gradle
	uses: actions/cache@v1
	with:
	path: ~/.gradle/caches
	key: ${{ runner.os }}-gradle-${{ hashFiles('*/.gradle*') }}
	restore-keys: \|
	${{ runner.os }}-gradle-
	- name: Start MongoDB
	run: \|
	docker run -d --name mongodb -p 27017:27017 mongo
	- name: Gradle Build and test
	working-directory: src/backend/
	run: \|
	./gradlew clean
	./gradlew boot-assembly:build -x test
	java -jar -Dlogging.path=boot-assembly/build/libs/bkrepo/logs -Dstorage.filesystem.path=boot-assembly/build/libs/bkrepo/bkrepo boot-assembly/build/libs/boot-assembly-1.0.0-RELEASE.jar &
	sleep 60
	curl http://localhost:8080/helm/blueking/helm-local/index.yaml

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