docs: add GitHub App manifest files

[TooAngel]

Summary

Add manifest files for both WorldDriven GitHub Apps to document their configuration and enable reproducible setup.

Changes

New directory github-apps/ containing:

• README.md - Documentation explaining the two-app architecture
• worlddriven.json - Main app manifest (PR voting and auto-merge)
• worlddriven-migrate.json - Migration app manifest (repository transfers)

Why Two Apps?

The migration app (worlddriven-migrate) requires administration: write permission to transfer repositories. By using a separate app:

1. Trust: Users are more likely to install an app with minimal permissions
2. Security: The main app doesn't need admin access for normal operations
3. Clarity: Each app has a clear, single purpose

Manifest Contents

worlddriven.json

{
  "default_permissions": {
    "checks": "write",
    "contents": "write",
    "issues": "write",
    "metadata": "read",
    "pull_requests": "write",
    "statuses": "write",
    "workflows": "write"
  }
}

worlddriven-migrate.json

{
  "default_permissions": {
    "administration": "write",
    "metadata": "read"
  }
}

Related

• Relates to feat: GitHub App-based repository migration (supersedes #9) #23 (GitHub App-based migration approach)
• Supersedes approach in feat: implement repository transfer automation for migration to worlddriven org #9 (which couldn't work for personal repos)

Test plan

• Verify JSON files are valid
• Verify manifests match current app configuration

[worlddriven]

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🗓️ Merge Date: 2025-12-27 at 17:22:06 UTC (in 2 days)
📅 Started: 2025-12-26 at 13:07:59 UTC
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📈 Base Merge Time: 10 days → Current: 1 days

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📋 Recent Activity

• 2025-12-26, 07:04:53 - Pull request opened
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This comment is automatically updated by worlddriven