HPCC-10604 Document STD.str.Translate

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
HPCC-10604 Edits made based on feedback

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
HPCC-10604 More Edits from feedback

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
Merge pull request #5620 from JamesDeFabia/10604DocumentSTD_Str_Translate

HPCC-10604 Document STD.str.Translate

Reviewed-By: Gavin Halliday <gavin.halliday@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>