Create CITATION.cff

Author: hcadavid

CITATION.cff

@@ -0,0 +1,12 @@
+cff-version: 1.2.0
+title: CDF2FHIR
+message: >-
+  If you use this software, please cite it using the
+  metadata from this file.
+type: software
+authors:
+  - given-names: Héctor
+    family-names: Cadavid
+    email: h.cadavid@esciencecenter.nl
+    orcid: 'https://orcid.org/0000-0003-4965-4243'
+url: "https://github.com/MyDigiTwinNL/CDF2Medmij-Mapping-tool"