Add Argo and k8s questions

Also updated Datadog questions.

topics/kubernetes/exercises/kustomize_common_labels/solution.md

@@ -0,0 +1,31 @@
+# Kustomize - Common Labels
+
+## Requirements
+
+1. Running Kubernetes cluster
+2. Kustomize binary installed
+
+## Objectives
+
+In the current directory there is an app composed of a Deployment and Service.
+
+1. Write a kustomization.yml file that will add to both the Service and Deployment the label "team-name: aces"
+2. Execute a kustomize command that will generate the customized k8s files with the label appended
+
+## Solution
+
+1. Add the following to kustomization.yml in someApp directory:
+
+```
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+commonLabels:
+  team-name: aces
+
+resources:
+  - service.yml
+  - deployment.yml
+```
+
+2. Run `kustomize build someApp`