during storybook-configuration, if .storybook folder already exists, generating files in it is skipped we should show warnings in this case, as sometimes those directories can exists but be empty, which can cause issues this can happen for example when reverting from previous setup using git reset (or something similar) in that case content is deleted, but empty folder remains showing warning will make it easier to debug what went wrong

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Storybook Plugin for Nx
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What is It?
Executors and generators adding Storybook support for frontend applications.
How to Use
This package is used by the @nrwl/web, @nrwl/react, and @nrwl/angular. See https://github.com/nrwl/nx for more information.
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