feat(pmap): added support for parametric map (#4284)

extensions/cornerstone-dicom-pmap/src/id.js

@@ -0,0 +1,7 @@
+import packageJson from '../package.json';
+
+const id = packageJson.name;
+const SOPClassHandlerName = 'dicom-pmap';
+const SOPClassHandlerId = `${id}.sopClassHandlerModule.${SOPClassHandlerName}`;
+
+export { id, SOPClassHandlerId, SOPClassHandlerName };