Add resource limits to all overlays with CI enforcement and documenta… #50

Job	Run time
Lint shell scripts	5s
Lint YAML files	22s
Verify documented resources	22s
Discover overlays	4s
Verify resource limits (core)	15s
Validate Kustomize (core/stack)	4s
Validate Kustomize (metrics/base)	14s
Validate Kustomize (metrics/stack)	4s
Verify resource limits (metrics)	15s
Validate Kustomize (core/base)	9s
	1m 54s

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