adding minimal keywords for searching in chaoshub (#502)

* adding minimal keywords for searching on chaoshub

Signed-off-by: shubham chaudhary <shubham@chaosnative.com>

* adding k8s keywords

Signed-off-by: shubham chaudhary <shubham@chaosnative.com>

charts/vmware/vm-poweroff/vm-poweroff.chartserviceversion.yaml

@@ -16,7 +16,6 @@ spec:
     - Currently, the experiment is supported for vsphere version 6.X (Support for 7.X will be added soon)
 
   keywords:
-    - Kubernetes
     - Vmware
     - VM
   platforms:

charts/vmware/vmware.chartserviceversion.yaml

@@ -14,8 +14,8 @@ spec:
   experiments:
     - vm-poweroff
   keywords:
-    - Kubernetes
     - vmware
+    - VM
   maintainers:
     - name: Delphine Joyneer
       email: golkonda.joyneer@wipro.com