feat: Add WSI bulk data annotations support (ANN) (#4972)

Co-authored-by: Bill Wallace <wayfarer3130@gmail.com>

extensions/dicom-microscopy/src/utils/dcmCodeValues.js

@@ -9,6 +9,9 @@ const DCM_CODE_VALUES = {
   SHORT_AXIS: 'G-A186',
   LONG_AXIS: 'G-A185',
   ELLIPSE_AREA: 'G-D7FE', // TODO: Remove this
+  ANNOTATION: '121071',
+  ANNOTATION_GROUP: '121072',
+  ANNOTATION_LABEL: '121073',
 };
 
 export default DCM_CODE_VALUES;