Add Kustomize Support to Core Library

[bdoyle0182]

Description of the feature or enhancement:

Have native feature support in the core library for working with kustomize. Kustomize has been directly integrated into kubectl for sometime as a core feature. It's probably worth including in the library so that importing existing helm charts can be kustomized. Basically, have escape hatching to edit what the synthesized output would be just like in aws cdk.

There's a personal project out there that sort of solves this with a kustomize construct which will run kubectl kustomize on behalf of the dev.
https://github.com/spion/cdk8s-kustomize

Use Case:

Customize public helm charts that are to be imported.

Proposed Solution:

N/A

Other:

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change

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This is a 🚀 Feature Request