Add DIMSE-Service package from Medken branch

Packages/dimse-service/etc/sampleOrthancConfig.json

@@ -0,0 +1,6 @@
+// The list of the known DICOM modalities
+// If you are running Orthanc with Docker, you need to put the contents of this file in 
+// /etc/orthanc/orthanc.json
+"DicomModalities" : {
+    "OHIFDCM" : [ "OHIFDCM", "localhost", 3000 ]
+},