Add JDBC Drivers to download page

Change-Id:If17ec8dad1de435c9a0cceef4d7a7ec11ba3ead3
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/incubator-asterixdb-site/+/15783
Reviewed-by: Ian Maxon <imaxon@uci.edu>
3 files changed