chore: Create build test github action

.github/workflows/build_test.yml

@@ -0,0 +1,38 @@
+name: build test(Java - Gradle / Next - npm)
+
+on:
+  pull_request:
+    branches:
+      - "main"
+
+jobs:
+  spring-build-test:
+    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: Change to server directory
+        run: cd server
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - name: Build with Gradle
+        run: ./gradlew build
+
+  next-build-test:
+    runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v3
+        - name: Set up Node 16
+          uses: actions/setup-node@v2
+          with:
+            node-version: "16"
+        - name: Change to client directory
+          run: cd cleint
+        - name: Install dependencies
+          run: npm install
+        - name: Build Next.js project
+          run: npm run build