ConvertToAppendix converts the contents of an ignition file to an appendix.

ConvertToRawExtension converts and ignition config to a RawExtension containing the ignition as raw bytes.

FileFromBytes creates an ignition-config file with the given contents.

FileFromString creates an ignition-config file with the given contents.

FilesFromAsset creates ignition files for each of the files in the specified asset.

Marshal is a helper function to use the marshaler function from "github.com/clarketm/json".