Add react-native-nitro-sfsymbols library details

[mCodex]

📝 Why & how

This pull request adds a new library to the react-native-libraries.json file. The new entry provides metadata for react-native-nitro-sfsymbols, including platform support and example resources.

Library addition:

• Added react-native-nitro-sfsymbols to react-native-libraries.json, including its GitHub URL, NPM package name, example link, image, and supported platforms (ios, macos, tvos, visionos).

✅ Checklist

• Added library to react-native-libraries.json
• Updated library in react-native-libraries.json

• Documented in this PR how to use the feature or replicate the bug.
• Documented in this PR how you fixed an issue or created the feature.

[Copilot]

Pull Request Overview

This PR adds the react-native-nitro-sfsymbols library to the React Native libraries registry. The library provides SF Symbols support for React Native applications across Apple platforms.

Key Changes:

• Added new library entry with GitHub repository, NPM package, example links, and platform support configuration
• Configured support for iOS, macOS, tvOS, visionOS, and the new architecture

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[Simek]

Hello @mCodex, thanks for adding a new package to the directory! 🚀