HPCC-11269 Add Word Cloud Visualisation

Fixes HPCC-11269

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5871 from GordonSmith/HPCC-11269

HPCC-11269 Add Word Cloud Visualisation

Reviewed-By: Kevin Wang <kevin.wang@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>