docs: restore social login video on default docs page

[riderx]

Summary

• add the missing YouTube embed to the default English social login docs page
• align the default locale content with the localized social login intro pages

Testing

• bunx prettier --write apps/docs/src/content/docs/docs/plugins/social-login/index.mdx
• apps/docs build/check blocked locally by existing bunx paraglide-js compile registry 404 in this checkout

Summary by CodeRabbit

• Documentation
  • Added a video walkthrough to the social login plugin documentation demonstrating plugin setup and the login flow.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 479e6461-b5aa-4950-b45d-d2cb00a9b881

📥 Commits

Reviewing files that changed from the base of the PR and between 3150abc and 451a6c5.

📒 Files selected for processing (1)

• apps/docs/src/content/docs/docs/plugins/social-login/index.mdx

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📝 Walkthrough

Walkthrough

The documentation page for the social-login plugin has been updated to include a new "Video Walkthrough" section. This adds an import for a YouTubeEmbed component and embeds a demonstration video showcasing the plugin setup process and login flow.

Changes

Cohort / File(s)	Summary
Documentation Enhancement apps/docs/src/content/docs/docs/plugins/social-login/index.mdx	Added YouTubeEmbed component import and new "Video Walkthrough" section with embedded video demonstration of plugin setup and login flow.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰✨ A video now graces the social-login page,
Where YouTubeEmbed steals center stage!
Setup and flows, now crystal and clear,
Users can watch without a fear!
Documentation blooms with visual cheer! 🎬

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title accurately describes the main change: restoring a YouTube video embed to the social login documentation page. It is specific and directly related to the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/fix-social-login-video-docs

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

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