[INFRA] 백엔드 CI 워크플로우 추가 및 CI gradle.yml 파일 추가 #1

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle

	name: Java CI with Gradle

	on:
	push:
	branches: [ "develop" ]
	pull_request:
	branches: [ "develop" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'temurin'
	- name: init with Gradle
	uses: gradle/gradle-build-action@v2
	- run: gradle init
	- name: Build with Gradle
	uses: gradle/gradle-build-action@v2
	with:
	gradle-version: 7.5.1
	arguments: build

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