docs (example): change author name to @author  (#5121)
docs (example): change author name to @author  (#5121)

without "https://" the previous link routes to https://vega.github.io/vega-lite/examples/github.com/manzt (does not exist)


uwdata/vega-lite,vega/vega-lite,vega/vega-lite,uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite,uwdata/vega-lite,uwdata/vega-lite,vega/vega-lite,vega/vega-lite