Add EmailBroadcast ProtectedResource manifest (#324)

This commit introduces a new ProtectedResource manifest for
EmailBroadcast, defining its permissions and service reference. The
manifest allows for the management of email broadcast resources within
the IAM framework, enabling operations such as list, get, create,
update, delete, patch, and watch.

Author: JoseSzycho

config/protected-resources/notification/emailbroadcast.yaml

@@ -0,0 +1,18 @@
+apiVersion: iam.miloapis.com/v1alpha1
+kind: ProtectedResource
+metadata:
+  name: notification.miloapis.com-emailbroadcast
+spec:
+  serviceRef:
+    name: "notification.miloapis.com"
+  kind: EmailBroadcast
+  plural: emailbroadcasts
+  singular: emailbroadcast
+  permissions:
+    - list
+    - get
+    - create
+    - update
+    - delete
+    - patch
+    - watch