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.

src/modules/pos/goods/dto/create-good.dto.ts

@@ -1,4 +1,4 @@
-import { GoodPricingModel, UnitType } from '@/generated/prisma/enums'
+import { GoodPricingModel } from '@/generated/prisma/enums'
 import { ApiProperty, PartialType } from '@nestjs/swagger'
 import { IsEnum, IsNumber, IsOptional, IsString } from 'class-validator'
 
@@ -20,10 +20,6 @@ export class CreateGoodDto {
   @ApiProperty()
   local_sku: string
 
-  @IsEnum(UnitType)
-  @ApiProperty({ required: true, enum: UnitType })
-  unit_type: UnitType
-
   @IsEnum(GoodPricingModel)
   @ApiProperty({ required: true, enum: GoodPricingModel })
   pricing_model: GoodPricingModel