initial verify-pull-request github action (#2)

Author: ghidello

.github/workflows/verify-pull-request.yml

@@ -0,0 +1,16 @@
+name: Verify pull request
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    name: Verify pull request
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Greet
+        run: echo Ciao!