Update lint.yml

Author: K0IN

.github/workflows/lint.yml

@@ -17,3 +17,27 @@ jobs:
         name: Lint VSCode
       - run: npm run lint-frontend
         name: Lint Frontend
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm install
+      - run: npm install
+        working-directory: ./frontend
+      - run: npm run package
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm install
+      - run: npm install
+        working-directory: ./frontend
+      - run: npm run test