feat: update subscription and service entities with enhancements

- Update message enum for better error handling
- Enhance service creation DTO with new fields
- Modify danak-service entity structure
- Update subscription DTOs and entities
- Improve user subscription entity model

src/modules/subscriptions/DTO/subscribe-service.dto.ts

@@ -15,11 +15,13 @@ export class SubscribeServiceDto {
   @ApiProperty({ description: "Name of business", example: "Test 1" })
   businessName: string;
 
+  @IsOptional()
   @IsNotEmpty({ message: SubscriptionMessage.BUSINESS_PHONE_REQUIRED })
   @IsPhoneNumber("IR", { message: SubscriptionMessage.BUSINESS_PHONE_INVALID })
   @ApiProperty({ description: "Phone number of the business", example: "+98 234 567 8901", required: false })
   businessPhone: string;
 
+  @IsOptional()
   @IsNotEmpty({ message: SubscriptionMessage.BUSINESS_DESCRIPTION_REQUIRED })
   @IsString({ message: SubscriptionMessage.BUSINESS_DESCRIPTION_STRING })
   @Length(5, 500, { message: SubscriptionMessage.BUSINESS_DESCRIPTION_LENGTH })

src/modules/subscriptions/entities/user-subscription.entity.ts

@@ -22,11 +22,11 @@ export class UserSubscription extends BaseEntity {
   @Column({ type: "varchar", length: 250, nullable: false })
   businessName: string;
 
-  @Column({ type: "varchar", length: 50, nullable: false })
-  businessPhone: string;
+  @Column({ type: "varchar", length: 50, nullable: true })
+  businessPhone: string | null;
 
-  @Column({ type: "text", nullable: false })
-  description: string;
+  @Column({ type: "text", nullable: true })
+  description: string | null;
 
   @Column({ type: "varchar", length: 250, unique: true, nullable: true })
   slug: string;