feat(quickstarts): add k8s keyword

quickstarts/aws/amazon-eks-on-aws-fargate/config.yml

@@ -21,4 +21,6 @@ documentation:
       https://docs.newrelic.com/docs/integrations/kubernetes-integration/installation/install-fargate-integration/
 keywords:
   - aws
-  - amazon web services
+  - amazon web services
+  - kubernetes
+  - k8s

quickstarts/cloudfoundry/config.yml

@@ -17,3 +17,5 @@ documentation:
       https://docs.newrelic.com/docs/integrations/host-integrations/host-integrations-list/vmware-tanzu-pcf-integration
 keywords:
   - containers
+  - kubernetes
+  - k8s

quickstarts/kubernetes/google-kubernetes-engine/config.yml

@@ -22,3 +22,4 @@ documentation:
 keywords:
   - kubernetes
   - containers
+  - k8s

quickstarts/kubernetes/kubernetes-plugin-for-logs/config.yml

@@ -23,3 +23,4 @@ keywords:
   - kubernetes
   - logs
   - logging
+  - k8s

quickstarts/kubernetes/kubernetes/config.yml

@@ -23,3 +23,4 @@ keywords:
   - kubernetes
   - containers
   - pixie
+  - k8s

quickstarts/redhat/red-hat-openshift/config.yml

@@ -19,3 +19,7 @@ documentation:
       platform.
     url: >-
       https://docs.newrelic.com/docs/integrations/kubernetes-integration/installation/kubernetes-integration-install-configure#install-openshift-container-platform
+keywords:
+  - openshift
+  - kubernetes
+  - k8s

quickstarts/vmware/vmware-tanzu/config.yml

@@ -15,3 +15,5 @@ documentation:
       https://docs.newrelic.com/docs/integrations/host-integrations/host-integrations-list/vmware-tanzu-pcf-integration
 keywords:
   - infrastructure
+  - kubernetes
+  - k8s