- Add Repository model to Prisma schema with migration
- Create repositoryService for managing repositories
- Add repositories API router with CRUD operations
- Update GitHubJsonService to support multiple repositories
- Update ScriptDownloaderService to use repository URL from scripts
- Add repository_url field to Script and ScriptCard types
- Add repository management UI tab to GeneralSettingsModal
- Display repository source on script cards and detail modal
- Implement repository deletion with JSON file cleanup
- Initialize default repositories (main and dev) on server startup