doc(browser_io): Add writeArrayBuffer docs
doc(browser_io): Add writeArrayBuffer docs

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