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/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;