FRE-5350: Add property scanner service with ATTOM, USPS, county data integration

- ATTOM Property API integration for structured property data
- USPS address standardization via API
- County clerk/recorder feed scraping for deed changes and liens
- Rate limiting, caching, and retry logic
- Unit tests for each data source adapter
- PropertyRecord, CountyDeedRecord, DataSourceType types in types.ts
- Consolidated type exports in index.ts

Co-Authored-By: Paperclip <noreply@paperclip.ing>

services/hometitle/src/index.ts

@@ -41,3 +41,17 @@ export type {
 
 export { HomeTitleAlertPipeline, homeTitleAlertPipeline } from './alert.pipeline';
 export { HomeTitleSchedulerService, homeTitleScheduler } from './scheduler.service';
+export {
+  PropertyWatchlistService,
+  propertyWatchlistService,
+  normalizeAddressValue,
+  hashAddressValue,
+} from './watchlist.service';
+export {
+  PropertyScannerService,
+  propertyScannerService,
+} from './scanner.service';
+export type {
+  CountyDeedRecord,
+  DataSourceType,
+} from './types';