ESM requires explicit file extensions in import paths. Add .js
extensions to all relative imports in API files and services,
even though source files are .ts (they compile to .js).
This fixes ERR_MODULE_NOT_FOUND errors on Vercel.
- Move ogStore, ogHtml, and articleMeta from src/services/ to api/services/
- Update imports in article-og.ts and article-og-refresh.ts
- Update import paths in articleMeta.ts (lib/profile and src/config/relays)
- Remove old files from src/services/
- Clean up ESLint config to only reference api/**/*.ts
This fixes the ERR_MODULE_NOT_FOUND error on Vercel by ensuring
serverless functions can access the service modules.