ENH: Output the ImageIO modules to itk-imageio
ENH: Output the ImageIO modules to itk-imageio

In anticipation of an npm package of the same name.

InsightSoftwareConsortium/ITKBridgeJavaScript,InsightSoftwareConsortium/ITKBridgeJavaScript,thewtex/ITKBridgeJavaScript,InsightSoftwareConsortium/ITKBridgeJavaScript,thewtex/ITKBridgeJavaScript,thewtex/ITKBridgeJavaScript