Fix Typos and Improve Hyphenation in Documentation

[vipocenka]

This PR addresses minor typos and improves consistency in hyphenation across several documentation files.

Specifically:

Changes Made

1. docs/auth-kit/client/introduction.md

   • Corrected "framework agnostic" to "framework-agnostic" for proper hyphenation.

2. docs/developers/frames/index.md

   • Updated "5 minute" to "5-minute" to follow standard compound adjective rules.

3. docs/learn/index.md

   • Revised "5 minute videos" to "5-minute videos" for consistency in hyphenation.

These changes enhance the clarity and professionalism of the documentation while adhering to standard English grammar rules.

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• Files Changed: 3
• Commits: 3

Please let me know if further adjustments are needed.
Allow edits by maintainers: Enabled.

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PR-Codex overview

This PR focuses on minor textual improvements across several documentation files, including grammar corrections and hyphenation adjustments.

Detailed summary

• Changed "5 minute" to "5-minute" in docs/developers/frames/index.md.
• Updated the description in docs/learn/index.md to use "5-minute" instead of "5 minute".
• Added a hyphen in "framework-agnostic" in docs/auth-kit/client/introduction.md.

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