fix(demoData):The URL was pointing to a private AWS account

[wayfarer3130]

Fix to point to a radical imaging AWS account for longer term usage.

@sedghi - this is just moving things away from my own AWS account to the radical one. Data available is a superset.

[swederik]

Not sure if you can see this but the CircleCI checks are failing when building the docs:

[INFO] [en] Creating an optimized production build...
../core/examples/programaticPanZoom/index.ts:49:26 - error TS2339: Property 'getPan' does not exist on type 'IVolumeViewport'.

49     const pan = viewport.getPan();
                            ~~~~~~

../core/examples/programaticPanZoom/index.ts:51:14 - error TS2339: Property 'setPan' does not exist on type 'IVolumeViewport'.

51     viewport.setPan([pan[0] + 5, pan[1]]);
                ~~~~~~

../core/examples/programaticPanZoom/index.ts:67:27 - error TS2339: Property 'getZoom' does not exist on type 'IVolumeViewport'.

67     const zoom = viewport.getZoom();
                             ~~~~~~~

../core/examples/programaticPanZoom/index.ts:69:14 - error TS2339: Property 'setZoom' does not exist on type 'IVolumeViewport'.

69     viewport.setZoom(zoom * 1.05);
                ~~~~~~~

../core/examples/programaticPanZoom/index.ts:85:14 - error TS2339: Property 'setZoom' does not exist on type 'IVolumeViewport'.

85     viewport.setZoom(1);
                ~~~~~~~

../core/examples/programaticPanZoom/index.ts:86:14 - error TS2339: Property 'setPan' does not exist on type 'IVolumeViewport'.

86     viewport.setPan([0, 0]);
                ~~~~~~

../core/examples/programaticPanZoom/index.ts:103:14 - error TS2339: Property 'setZoom' does not exist on type 'IVolumeViewport'.

103     viewport.setZoom(viewport.getZoom(), true);
                 ~~~~~~~

../core/examples/programaticPanZoom/index.ts:103:31 - error TS2339: Property 'getZoom' does not exist on type 'IVolumeViewport'.

103     viewport.setZoom(viewport.getZoom(), true);
                                  ~~~~~~~

../core/examples/programaticPanZoom/index.ts:156:12 - error TS2339: Property 'setZoom' does not exist on type 'IStackViewport'.

156   viewport.setZoom(0.8);
               ~~~~~~~

../core/examples/programaticPanZoom/index.ts:157:12 - error TS2339: Property 'setPan' does not exist on type 'IStackViewport'.

157   viewport.setPan([-128, 0]);
               ~~~~~~

../core/examples/programaticPanZoom/index.ts:159:12 - error TS2339: Property 'setPan' does not exist on type 'IStackViewport'.

159   viewport.setPan([-128, 0]);