add default gatekeeper policies
Ref: #105
Note: This change requires to install the CRDs and the charts separately. Currently, this change is included in only magnum_t region.
Note for self:
Disable the below policies before merging, these are enabled for testing.
policies:
disallowInteractiveShell: true
blockWildcardIngress: true
allowPullsFromCernRegistry: true
denyModifyDefaultNS: true
Edited by Ankur Kothiwal