Invalid link in Home.md

The [Home.md](https://github.com/graphhopper/jsprit/blob/master/docs/Home.md) file contains [a link](https://github.com/graphhopper/jsprit/blob/master/docs/Home.md?plain=1#L9) that points to non-existing path (namely, `https://github.com/graphhopper/jsprit/tree/master/jsprit-examples/src/main/java/com/graphhopper/jsprit/examples`).