Automi emitters are components that are placed at the start of a stream. They
are used to emit values unto a stream. The following shows examples for supported Automi emitters.
channel - Example to show how to emit items from a Go channel unto the stream.
csv - Example that shows how to use a CSV file as a source for a stream.
reader - Example that shows how to use an io.Reader to emit items on a stream.
scanner - Example that shows how to emit scanned items from an io.Reader unto the stream.
slice0 - Shows how to emit items from a slice unto a stream.
slice1 - Shows how to emit items of custom types from a slice unto the stream.