Additional accelerator kit data dictionary generation

[brynrhodes]

Add to the data dictionary structure definition generation:

1. Activity ID - Add as usedInActivity extension
2. Data Element Code (STI) - Add as mapping content
3. Data Element Code (FP) - Add as mapping content
4. *Data Element Label - SD.title and root ED.short
5. *Data Element Name - SD.name and root ED.label
6. *Notes - root ED.comment

*Priority

Also, set StructureDefinition.purpose to: This profile provides a FHIR representation of the {{Data Element Code}}: {{Data Element Label}} from the {{Accelerator Kit Source}}.

Also, add an extension to support identifying a relatedArtifact on the extension that identifies the guideline.