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/kafka/kafka-broker-disk-failure/kafka-broker-disk-failure.chartserviceversion.yaml

@@ -13,6 +13,7 @@ spec:
      Detaching a persistent disk from a node/instance for kafka
   keywords:
     - Kubernetes
+    - K8S
     - Disk
     - Kafka
   platforms:

charts/kafka/kafka-broker-pod-failure/kafka-broker-pod-failure.chartserviceversion.yaml

@@ -15,8 +15,8 @@ spec:
     This chaos experiment kills (random or specified) kafka broker pods
   keywords:
     - Kubernetes
+    - K8S
     - Pod
-    - State 
     - Kafka
   platforms:
     - GKE

charts/kafka/kafka.chartserviceversion.yaml

@@ -16,7 +16,10 @@ spec:
     - kafka-broker-pod-failure
   keywords:
     - Kubernetes
+    - K8S
     - Kafka
+    - Disk 
+    - Pod
   maintainers:
     - name: ksatchit
       email: karthik.s@mayadata.io