feat(analytics): add GET /analytics/price-movers endpoint

Top tăng/giảm giá theo district cho Home dashboard.
Compares avg listing prices between current and previous time windows,
filters by min sample size (10), caches for 30 min.

TEC-3053

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

apps/api/src/modules/analytics/analytics.module.ts

@@ -14,6 +14,7 @@ import { GetHeatmapHandler } from './application/queries/get-heatmap/get-heatmap
 import { GetListingAiAdviceHandler } from './application/queries/get-listing-ai-advice/get-listing-ai-advice.handler';
 import { GetMarketReportHandler } from './application/queries/get-market-report/get-market-report.handler';
 import { GetMarketSnapshotHandler } from './application/queries/get-market-snapshot/get-market-snapshot.handler';
+import { GetPriceMoversHandler } from './application/queries/get-price-movers/get-price-movers.handler';
 import { GetProjectAiAdviceHandler } from './application/queries/get-project-ai-advice/get-project-ai-advice.handler';
 import { GetNearbyPOIsHandler } from './application/queries/get-nearby-pois/get-nearby-pois.handler';
 import { GetNeighborhoodScoreHandler } from './application/queries/get-neighborhood-score/get-neighborhood-score.handler';
@@ -63,6 +64,7 @@ const QueryHandlers = [
   GetListingAiAdviceHandler,
   GetProjectAiAdviceHandler,
   GetMarketSnapshotHandler,
+  GetPriceMoversHandler,
 ];
 
 const EventHandlers = [