refactor(inventories): restructure inventory and pos account modules, remove deprecated DTOs and controllers

- Removed create and update DTOs for inventory.
- Deleted inventories controller and service.
- Introduced new inventory bank accounts module with controller and service.
- Added new pos accounts module with controller and service.
- Updated Prisma models to reflect changes in bank account relationships.
- Adjusted PosAccount and SalesInvoice models for stricter type definitions.
- Implemented new response mapping for inventory and pos account services.

src/common/response/response-mapper.ts

@@ -5,7 +5,7 @@
  * the global `ResponseMappingInterceptor` understands and normalizes.
  */
 export type MapperWrapper<T> =
-  | { __mapped: 'create' | 'update' | 'single'; data: T }
+  | { __mapped: 'create' | 'update' | 'single' | 'delete'; data: T }
   | { __mapped: 'list'; items: T[] }
   | { __mapped: 'paginate'; items: T[]; total: number; page?: number; perPage?: number }
   | { __mapped: 'sequelize'; rows: T[]; count: number; page?: number; perPage?: number }
@@ -23,6 +23,10 @@ export const ResponseMapper = {
     return { __mapped: 'single', data: item }
   },
 
+  delete<T>(item: T): MapperWrapper<T> {
+    return { __mapped: 'delete', data: item }
+  },
+
   list<T>(items: T[]): MapperWrapper<T> {
     return { __mapped: 'list', items }
   },