Github Action 워크플로우 추가

- gradle 빌드 테스트
- gradlew 유닛 테스트
- 테스트 커버리지 코멘트 작성

.github/workflows/pr-check.yml

@@ -0,0 +1,49 @@
+name: Check PR
+
+on:
+  pull_request
+
+permissions:
+  checks: write
+  pull-requests: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v3
+        with:
+          java-version: 21
+          distribution: 'temurin'
+
+      - name: Cache Gradle
+        uses: actions/cache@v3
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+
+      - name: Check Build
+        run: ./gradlew clean build
+
+      - name: Run test
+        run: ./gradlew test
+
+      - name: Add coverage to PR
+        id: jacoco
+        uses: madrapps/[email protected]
+        with:
+          paths: ${{ github.workspace }}/build/reports/jacoco/test/jacocoTestReport.xml
+          token: ${{ secrets.GITHUB_TOKEN }}
+          min-coverage-overall: 40
+          min-coverage-changed-files: 60
+          update-comment: true
+          title: Test Coverage
+          pass-emoji: ':green_circle:'
+          fail-emoji: ':red_circle:'