Add kubenetes to exporter cli docs
@@ -556,7 +556,7 @@ Exports the package to the specified format
**ARGS**
- <FORMAT> The export format (ex: aci, cf, docker, mesos, or tar)
+ <FORMAT> The export format (ex: aci, cloudfoundry (cf), docker, kubernetes (k8s), mesos, or tar)
<PKG_IDENT> A package identifier (ex: core/redis, core/busybox-static/1.42.2) or
filepath to a Habitat Artifact (ex: /home/acme-redis-3.0.7-21120102031201-x86_64-linux.hart)
