Currently seeding default profile data is using a hard-coded Excel file that's named for NDC Sydney 2019. This is also loaded from the blob storage provider. We should be able to seed this using local data, and pass in the file path as a startup arg rather than by calling an endpoint.

See: https://github.com/SSWConsulting/SSW.Rewards.Mobile/blob/a3e157b976932a3e7a9c8b031a5ab36fc36fe6fb/src/Application/System/Commands/SeedData/SeedSampleDataCommand.cs#L25C58-L25C82