HPCC-12166 Add ESP Services Plugin Support

Fixes HPCC-12166

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #6689 from GordonSmith/HPCC-12166

HPCC-12166 Add ESP Services Plugin Support

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>