Added Dependabot and GitHub Action

.github/workflows/build-lint.yml

@@ -0,0 +1,29 @@
+name: Build and Lint
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [21.x]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: yarn
+
+      - name: Build
+        run: |
+          npm install
+          npm run build
+
+      - name: Lint
+        run: |
+          npm run lint