EnrichConfig is a function that can be used to enrich the config by reading additional files or environment variables.

NewSampleDataLayer is a factory function that creates a new instance of the sample data layer In this example we use it to populate the sample dataset with some data.

DataObject is the row/item type for the sample data layer.

SampleDataLayer is a sample implementation of the DataLayer interface.

SampleDataset is a sample implementation of the Dataset interface, it provides a simple in-memory dataset in this case.