ci: add building job in build.yml

Author: piquark6046

.github/workflows/build.yml

@@ -24,4 +24,21 @@ jobs:
       - name: Install dependencies
         run: npm i
       - name: Run ESLint
-        run: npm run lint
+        run: npm run lint
+  build:
+    name: Build the project
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Set up NodeJS LTS
+        uses: actions/setup-node@v6
+        with:
+          node-version: 'lts/*'
+      - name: Checkout repository
+        uses: actions/checkout@v6
+      - name: Install dependencies
+        run: npm i
+      - name: Build the project
+        run: npm run build
+