ATM: add hello world version of workflow checking queries run

.github/workflows/atm-check-queries-run.yml

@@ -0,0 +1,13 @@
+name: ATM Check Queries Run
+
+# This check is required, therefore we must run it on all PRs, even if only Markdown has changed.
+on:
+  workflow_dispatch:
+
+jobs:
+  hello-world:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: foo
+        run: echo "Hello world"