feat(views): Add first collection of kubectl custom-columns

This patch provides some custom-columns-file collection, that should
help to manage the cluster and workload.

views/kubelet.view

+NAME          KUBELET-CONFIG                                           CONDITIONS
+metadata.name metadata.labels.plan\.upgrade\.cattle\.io/kubelet status.conditions[*].message
+

views/pods-requests-limits.view

+NAME          CPU-REQUESTS                              CPU-LIMITS                              MEMORY-REQUESTS                              MEMORY-LIMITS
+metadata.name spec.containers[*].resources.requests.cpu spec.containers[*].resources.limits.cpu spec.containers[*].resources.requests.memory spec.containers[*].resources.limits.memory
+
+NAME:metadata.name,CPU LIMITS:spec.containers[*].resources.limits.cpu,MEM LIMITS:spec.containers[*].resources.limits.memory