Initial Oracle Deep Data Security lab kit

.github/workflows/repo-quality.yml

@@ -0,0 +1,36 @@
+name: Repo Quality
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  structure:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Check required scenario files
+        shell: bash
+        run: |
+          set -euo pipefail
+          for scenario in scenarios/*; do
+            test -f "$scenario/README.md"
+            test -f "$scenario/metadata.yaml"
+            test -f "$scenario/sql/99_reset.sql"
+            test -f "$scenario/evidence/expected-results.md"
+          done
+
+      - name: Check forbidden files
+        shell: bash
+        run: |
+          set -euo pipefail
+          if find . -name "*.tfvars" -o -name "*.pem" -o -name "*.key" | grep .; then
+            echo "Secret-like files must not be committed."
+            exit 1
+          fi
+