HPCC-9052 Document Direct Access to Roxie using either SOAP or JSON

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
HPCC-9052 Edits based upon review

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
Merge pull request #4654 from JamesDeFabia/hpcc9052_DocumentDirectAccessToRoxie

HPCC-9052 Document Direct Access to Roxie using either SOAP or JSON

Reviewed-By: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>