add kyverno policies

Signed-off-by: gwg313 <gwg313@pm.me>

platform/kyverno/policies/10-defaults/default-deployment-revision-history.yaml

@@ -0,0 +1,17 @@
+apiVersion: kyverno.io/v1
+kind: ClusterPolicy
+metadata:
+  name: default-deployment-revision-history
+spec:
+  rules:
+    - name: set-revision-history-limit
+      match:
+        any:
+          - resources:
+              kinds:
+                - Deployment
+
+      mutate:
+        patchStrategicMerge:
+          spec:
+            +(revisionHistoryLimit): 3