v6: docs / examples code fixes

[coliff]

Motivation & Context / Type of changes

Update examples to use v6 classes

(FYI: I started updating the badges examples page but stopped since many of these are covered by the new chips component... maybe this example page can be removed?)

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (non-breaking change)
• Breaking change (fix or feature that would change existing functionality)

Checklist

• I have read the contributing guidelines
• My code follows the code style of the project (using npm run lint)
• My change introduces changes to the documentation
• I have updated the documentation accordingly
• I have added tests to cover my changes
• All new and existing tests passed

Live previews

• https://deploy-preview-42378--twbs-bootstrap.netlify.app/

Related issues

[Copilot]

Pull request overview

Note

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Updates documentation and example templates to align with Bootstrap v6 styling by replacing legacy text-bg-* utility usage with the newer theme-* classes.

Changes:

• Updated display utilities docs examples to use theme-primary / theme-inverse.
• Updated multiple Astro example pages to replace text-bg-* with theme-* equivalents.
• Updated progress bar examples in the cheatsheet to use theme-info / theme-warning.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
site/src/content/docs/utilities/display.mdx	Switches display utility examples from text-bg-* to theme-* classes.
site/src/assets/examples/product/index.astro	Replaces text-bg-primary wrapper styling with theme-primary.
site/src/assets/examples/pricing/index.astro	Updates card header styling to use theme-primary.
site/src/assets/examples/masonry/index.astro	Updates a highlighted card from text-bg-primary to theme-primary.
site/src/assets/examples/features/index.astro	Replaces multiple icon background utilities from text-bg-primary to theme-primary.
site/src/assets/examples/cheatsheet/index.astro	Updates progress bar color utilities from text-bg-* to theme-*.

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[julien-deramond]

Thanks for the updates, @coliff Rreally appreciate it as always 🙏
I’ve replaced .theme-inverse with .theme-secondary. It’s not quite as close to the v5 color, but it avoids the white color in dark mode.

Regarding your question in the description, I’ll open an issue right after so we don’t forget it 🙂