Adds reading events to default RBAC to view policy violations (#905)

- Right now it shows an RBAC error

Author: foot

charts/mccp/templates/rbac/user_roles.yaml

@@ -75,6 +75,9 @@ rules:
   - apiGroups: ["pac.weave.works"]
     resources: ["policies"]
     verbs: ["get", "list"]
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["get", "watch", "list"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole