Add github workflows

.github/workflows/pipeline.yml

@@ -0,0 +1,29 @@
+name: Deployment pipeline
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches: [main]
+    types: [opened, synchronize]
+
+jobs:
+  simple_deployment_pipeline:
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'push' }}
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run linter
+        run: npm run lint