Kyverno docs

Package Merge Request

Package Changes

Adding Kyverno to documentation.

Preview Architecture: https://repo1.dso.mil/platform-one/big-bang/bigbang/-/blob/kyverno-docs/charter/packages/kyverno/Architecture.md

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/1129

charter/BigBangPackages.md

@@ -151,7 +151,7 @@ Owners:
 
 ### Policy Enforcement
 
-The Policy Enforcement Package installs either the Open Policy Agent Gatekeeper [Operator](https://kubernetes.io/docs/concepts/extend-kubernetes/operator/) or Kyverno.
+Policy Enforcement is done in Big Bang by either Open Policy Agent Gatekeeper (OPA Gatekeeper for short) or Kyverno.
 
 #### OPA Gatekeeper