Added woodpecker config for running salt-lint

.woodpecker.yml

@@ -0,0 +1,5 @@
+pipeline:
+  lint:
+    image: warpnetbv/salt-lint:v0.9.2
+    commands:
+      - 'find . -type f -name "*.sls" -print0 | xargs -0 --no-run-if-empty salt-lint'