[INFRA] add pull_request.yml for github workflow

Author: Andreas Mautz

.github/workflows/pull_request.yml

@@ -0,0 +1,18 @@
+name: "Pull Request"
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    strategy:
+      matrix:
+        version: [ 'buster', 'bullseye', 'bookworm' ]
+    runs-on: ubuntu-latest
+    container: pipelinecomponents/hadolint:latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: hadolint/[email protected]
+        with:
+          dockerfile: ./src/${{ matrix.version }}/src/Dockerfile