feat(authentik): add email support

cluster/apps/authentik/helm-release.yaml

@@ -89,3 +89,13 @@ spec:
         user: "authentik"
       redis:
         host: "redis-master.database"
+
+      email:
+        host: exim.default
+        port: 8025
+        username: ""
+        password: ""
+        use_tls: false
+        use ssl: false
+        timeout: 30
+        from: karasu@${SECRET_NEW_DOMAIN}