## Description
This PR makes the URLs for external services used on the repository page
configurable in `_config.yml`. This allows users to self-host these
services for better reliability, privacy, and customization.
## Changes
- Added `external_services` configuration section in `_config.yml` with:
- `github_readme_stats_url` (default:
`https://github-readme-stats.vercel.app`)
- `github_profile_trophy_url` (default:
`https://github-profile-trophy.vercel.app`)
- Updated repository template files to use configurable URLs:
- `_includes/repository/repo_user.liquid`
- `_includes/repository/repo.liquid`
- `_includes/repository/repo_trophies.liquid`
- Added documentation in `CUSTOMIZE.md` explaining:
- Why self-hosting is recommended (default services may have
availability issues)
- How to configure custom service URLs
- Links to the service repositories for deployment instructions
## Resolves
Resolves#3388 - This makes it possible to configure self-hosted
versions of these services, giving users full control over the external
services used for displaying GitHub statistics and trophies.
## Testing
- Verified that default configuration still works with original service
URLs
- Confirmed that URLs are properly interpolated in all template files
- Documentation clearly explains the configuration options
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