Adding a workflow

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+---
+name: ci
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x, 20.x]
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Setup Node ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          always-auth: false
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build
+        run: npm run rollup
+
+      - name: Run Tests
+        run: npm run test
+
+  automerge:
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+      contents: write
+    steps:
+      - uses: fastify/github-action-merge-dependabot@v3
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}