feat: add stock keeping units management

- Created migration to drop `type` column from `stock_keeping_units` table.
- Added `Guild` model to Prisma schema.
- Implemented `BusinessActivitiesQueryService` for querying business activities.
- Developed `GoodsSharedService` for handling goods creation and updates.
- Introduced DTOs for creating and updating stock keeping units.
- Created controller and service for managing stock keeping units.
- Implemented response DTOs for stock keeping units service.
- Established module for stock keeping units management.

prisma/migrations/20260506173608_init/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `type` on the `stock_keeping_units` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE `stock_keeping_units` DROP COLUMN `type`;