docs : remove Image Table in ERD (readme) #427

	name: CI-Backend

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

	permissions:
	contents: read
	# PR 코멘트 등록을 위한 write 권한
	checks: write
	pull-requests: write

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	# Java version 세팅
	- name: Set up JDK 17
	uses: actions/setup-java@v3
	with:
	java-version: '17'
	distribution: 'temurin'

	# 빌드 시 캐시 적용
	- name: Gradle Caching
	uses: actions/cache@v3
	with:
	path: \|
	~/.gradle/caches
	~/.gradle/wrapper
	key: ${{ runner.os }}-gradle-${{ hashFiles('*/.gradle', '*/gradle-wrapper.properties') }}
	restore-keys: \|
	${{ runner.os }}-gradle-

	## gradle 권한 주기
	- name: Grant execute permission for gradlew
	run: chmod +x ./gradlew
	shell: bash

	# 빌드
	- name: Build with Gradle
	run: ./gradlew build

	## 테스트 결과 PR 코멘트에 등록
	- name: Register the test results as PR comments
	uses: EnricoMi/publish-unit-test-result-action@v2
	if: always()
	with:
	files: '*/build/test-results/test/TEST-.xml'

	## 테스트 실패시 코드 라인에 대한 체크 추가
	- name: If test fail, add check comment on failed code line
	uses: mikepenz/action-junit-report@v3
	if: always()
	with:
	report_paths: '*/build/test-results/test/TEST-.html'

Provide feedback