- Introduced `networkmembership.proto` with RPC methods for retrieving user network tree, statistics, and position.
- Implemented HTTP annotations for gRPC transcoding in the service methods.
- Added support for Google API annotations in `annotations.proto` and `http.proto`.
- Created `ConfigureServices.cs` to register FluentValidation for the Protobuf services.
- Updated project file to include necessary dependencies for gRPC and Protobuf.
- Added command and handler for activating club membership with optional activation code and duration.
- Created response DTO for club membership activation.
- Implemented query and handler to retrieve current user's club membership status.
- Added necessary Protobuf service calls for club membership operations.
- Introduced new queries for retrieving network statistics and network tree structure.
- Enhanced commission queries to fetch user commission payouts and weekly balances.
- Updated application contract context to include new services for club and network memberships.
