Add first Woodpecker pipeline

.woodpecker/pipeline.yml

@@ -0,0 +1,11 @@
+when:
+  - event: push
+    branch: main
+
+steps:
+  - name: hello
+    image: alpine
+    commands:
+      - echo "Pipeline triggered!"
+      - echo "Branch: ${CI_COMMIT_BRANCH}"
+      - echo "Commit: ${CI_COMMIT_SHA}"