feat: add receipt import functionality with UI and backend integration

backend/src/app.module.ts

@@ -7,6 +7,7 @@ import { RecipesModule } from './recipes/recipes.module';
 import { QuickImportModule } from './quick-import/quick-import.module';
 import { PantryModule } from './pantry/pantry.module';
 import { MealPlanModule } from './meal-plan/meal-plan.module';
+import { ReceiptImportModule } from './receipt-import/receipt-import.module';
 
 
 @Module({
@@ -19,6 +20,7 @@ import { MealPlanModule } from './meal-plan/meal-plan.module';
     QuickImportModule,
     PantryModule,
     MealPlanModule,
+    ReceiptImportModule,
   ],
 })
 export class AppModule {}