docs: 백엔드 CI툴 구현 (#5)

.github/backend_ci_tool.yml

@@ -0,0 +1,32 @@
+name: backend CI
+on:
+  pull_request:
+    branches: [feat/back]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18.x
+      - name: Install dependencies
+        run: npm ci
+      - name: Run tests
+        run: npm test
+  deploy:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 18.x
+      - name: Install dependencies
+        run: npm ci
+      - name: Start the NestJS server
+        run: npm start