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/generic/generic.chartserviceversion.yaml

@@ -38,9 +38,9 @@ spec:
     - pod-dns-spoof
     - pod-cpu-hog-exec
     - pod-memory-hog-exec
-
   keywords:
     - Kubernetes
+    - K8S
     - Container
     - Node
     - Pod
@@ -50,8 +50,10 @@ spec:
     - Network
     - CPU
     - Memory
+    - Stress
     - Service
     - DNS
+    - Scale
   maintainers:
     - name: ksatchit
       email: karthik.s@mayadata.io