feat(ImageOverlayViewerTool): add ImageOverlayViewer tool that can render image overlay (pixel overlay) of the DICOM images (#3163)

Co-authored-by: Joe Boccanfuso <joe.boccanfuso@radicalimaging.com>

extensions/cornerstone/src/initCornerstoneTools.js

@@ -28,6 +28,7 @@ import {
 } from '@cornerstonejs/tools';
 
 import CalibrationLineTool from './tools/CalibrationLineTool';
+import ImageOverlayViewerTool from './tools/ImageOverlayViewerTool';
 
 export default function initCornerstoneTools(configuration = {}) {
   CrosshairsTool.isAnnotation = false;
@@ -58,6 +59,7 @@ export default function initCornerstoneTools(configuration = {}) {
   addTool(ReferenceLinesTool);
   addTool(CalibrationLineTool);
   addTool(TrackballRotateTool);
+  addTool(ImageOverlayViewerTool);
 
   // Modify annotation tools to use dashed lines on SR
   const annotationStyle = {
@@ -99,6 +101,7 @@ const toolNames = {
   ReferenceLines: ReferenceLinesTool.toolName,
   CalibrationLine: CalibrationLineTool.toolName,
   TrackballRotateTool: TrackballRotateTool.toolName,
+  ImageOverlayViewer: ImageOverlayViewerTool.toolName,
 };
 
 export { toolNames };