Revise tags for private cloud post

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

_posts/2020-02-27-ofc-private-cloud.md

@@ -4,11 +4,13 @@ description: Create your own private cloud with OpenFaaS Cloud for your team to
 date: 2020-02-27
 image: /images/2020-02-27-ofc-private-cloud/private-cloud-servers.jpg
 categories:
+  - microservices
+  - kubernetes
   - serverless
+  - cloud
+  - governance
   - functions
-  - community
-  - support
-  - kubernetes
+  - gitops
 author_staff_member: alex
 dark_background: true