docs: fix docs examples

[julianomcl]

This PR fixes two usage examples in docs:

• Import ValidationPipe in Basics
• Template string in Validation

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Name	Status	Preview	Comments	Updated
next-api-decorators	✅ Ready (Inspect)	Visit Preview	💬 Add your feedback	Feb 25, 2023 at 6:43PM (UTC)

[julianomcl]

@julianomcl thanks for fixing these! It does seem like one } is removed incorrectly, if this is changed it should be good to go 👍

@leeuwis Sorry for that. Fixed now!

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Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage :thumbsup:

Coverage data is based on head (057471c) compared to base (b244083). Patch has no changes to coverable lines.

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:tada: This PR is included in version 2.0.2 :tada:

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