HPCC-9273 Add --pmid parameter to ecl cli docs

Signed-off-by: JamesDeFabia <James.Defabia@LexisNexis.com>
Merge branch 'pkgId_to_eclpackagemapDocs' into candidate-4.0.0

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>