Implement Persian Date Conversion and Enhance User Network Information Service

- Added PersianDateTimeService for converting Gregorian dates to Persian format in the BackOffice frontend.
- Updated multiple frontend pages (Dashboard, UserPayouts, WorkerControl, UserNetworkInfo) to utilize the new Persian date service.
- Enhanced GetUserNetworkPositionDto with 28+ new fields for comprehensive user network data.
- Updated GetUserNetworkPositionQueryHandler to include new methods for calculating network statistics.
- Modified Protobuf messages to accommodate the new fields, increasing from 14 to 42.
- Refined week number calculation algorithm to ensure consistency across C# and SQL implementations.
- Created new CSV and Excel files for binary plan calculations.
- Ensured all changes are tested and validated for accuracy and performance.

03-BACKEND/FrontOffice.BFF/README.md

@@ -59,6 +59,7 @@ FrontOffice.BFF/
 - `GetMyNetworkPosition` - موقعیت کاربر در شبکه
 - `GetMyNetworkStatistics` - آمار شبکه
 - `GetMyNetworkTree` - درخت شبکه
+- `GetSubordinateTree` - درخت زیرمجموعه (NEW - ۲۸ آذر)
 
 ### ClubMembershipCQ
 عضویت باشگاه مشتریان
@@ -107,4 +108,5 @@ dotnet run --project FrontOffice.BFF.WebApi
 ```
 
 ## Last Updated
-January 2025 - Added DiscountShop integration (4 gRPC clients, 7 handlers, Proto service)
+- **28 آذر ۱۴۰۴**: Added `GetSubordinateTree` handler for viewing subordinate network trees
+- **January 2025**: Added DiscountShop integration (4 gRPC clients, 7 handlers, Proto service)