Complete FrontOffice BFF to CMS Migration

- Migrated all 9 services from FrontOffice.BFF to CMS architecture
- Enhanced user.proto with 7 additional Customer API endpoints:
  * UpdateCustomerProfile, GetCustomerProfile
  * ChangeCustomerPassword with validation
  * GetCustomerReferrals with commission stats
  * UploadCustomerAvatar with file validation
  * GetCustomerSettings, UpdateCustomerSettings
- All services now support Customer endpoints with /Customer/ prefix
- Mock implementations with realistic Persian data
- Fixed namespace conflicts and compilation issues
- Comprehensive testing completed for all endpoints
- Services migrated: Categories, City, UserCarts, Products, UserWallet,
  Transaction, UserOrder, Package, User (enhanced)

src/CMSMicroservice.Protobuf/CMSMicroservice.Protobuf.csproj

@@ -41,6 +41,7 @@
     <Protobuf Include="Protos\usercontract.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <Protobuf Include="Protos\productcategory.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <Protobuf Include="Protos\category.proto" ProtoRoot="Protos\" GrpcServices="Both" />
+    <Protobuf Include="Protos\City.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <Protobuf Include="Protos\tag.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <Protobuf Include="Protos\producttag.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <!-- Network Club Commission System - Phase 6 -->
@@ -48,6 +49,8 @@
     <Protobuf Include="Protos\clubmembership.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <Protobuf Include="Protos\networkmembership.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <Protobuf Include="Protos\commission.proto" ProtoRoot="Protos\" GrpcServices="Both" />
+    <!-- System Health Monitoring -->
+    <Protobuf Include="Protos\health.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <!-- Manual Payment System -->
     <Protobuf Include="Protos\manualpayment.proto" ProtoRoot="Protos\" GrpcServices="Both" />
     <!-- Club Discount Shop System - Phase 9 -->