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>

modes/basic-dev-mode/src/index.js

@@ -84,6 +84,7 @@ function modeFactory({ modeConfiguration }) {
           { toolName: toolNames.CalibrationLine },
         ],
         // enabled
+        enabled: [{ toolName: toolNames.ImageOverlayViewer }],
         // disabled
       };