Add example namespace reference

Author: kchason

case_example_mapping/dict_to_case.py

@@ -13,6 +13,7 @@ def main() -> None:
         "@context": {
             "case-investigation": "https://ontology.caseontology.org/case/investigation/",
             "kb": "http://example.org/kb/",
+            "drafting": "http://example.org/ontology/drafting/",
             "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
             "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
             "uco-action": "https://ontology.unifiedcyberontology.org/uco/action/",