feat: add nord theme for crepe

[Saul-Mirone]

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Summary

Add nord theme for crepe.

How did you test this change?

CI and manually

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Name	Status	Preview	Comments	Updated (UTC)
milkdown-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 11, 2024 3:47am

[nx-cloud[bot]]

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✅ Successfully ran 3 targets

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[cypress[bot]]

Passing run #967 ↗︎

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Details:

Merge cdc751cb708d2d6a3312f00eb8d8049744adb7f6 into e8e558916bc4ba9c564939a98b0d...
Project: Default Project	Commit: fbba1b5173 ℹ️
Status: Passed	Duration: 01:49 💡
Started: Jul 11, 2024 3:51 AM	Ended: Jul 11, 2024 3:53 AM

Review all test suite changes for PR #1418 ↗︎

[cypress[bot]]

Passing run #968 ↗︎

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83

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Details:

feat: add nord theme for crepe (#1418)
Project: Default Project	Commit: 4511a04259
Status: Passed	Duration: 01:33 💡
Started: Jul 11, 2024 3:56 AM	Ended: Jul 11, 2024 3:57 AM

Review all test suite changes for PR #1418 ↗︎