Introduced a dmi rest demo csit stub

- Introduced a new response code 0 for data operational success response.
- Created a new dmi plugin rest stub for demo and performance testing.
- Removed dmi plugin stub of wiremocked.
- Updated parent pom to add newely created demo stub.
- updated docker compose to add neww demo stub with profile for CSIT,
  demo and performance testing.
- Removed target id list from unsupported operation/datastore from REST
  response.

Issue-ID: CPS-1560

Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
Change-Id: Ie8198366df820e7d4b8b6e8a85ff9cdb0fce7435
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
23 files changed