Removed `CreateEnvelopeCommand` and introduced `CreateEnvelopeReceiverCommand` with updated parameters. Updated `ReceiverGetOrCreateDto` to include a new `Salution` parameter. Added XML documentation for the new command and associated DTOs.
Removed `CreateEnvelopeCommand` and introduced `CreateEnvelopeReceiverCommand` with updated parameters. Updated `ReceiverGetOrCreateDto` to include a new `Salution` parameter. Added XML documentation for the new command and associated DTOs.