Declarations should use Java collection interfaces such as "List" rather than specific implementation classes such as "LinkedList"
Empty statements should be removed
JUnit assertTrue/assertFalse should be simplified to the corresponding dedicated assertion
JUnit5 test classes and methods should have default package visibility
Methods and field names should not be the same or differ only by capitalization
Nested "enum"s should not be declared static

Update REST API with response codes for endpoints.
Set http status codes corresponding to exceptions.

Handle exceptions in service and controller layers.
Translate exceptions to http status codes in global exception handler.

Status code 201 Created.

Update spring framework boot version to 2.6.7.
Update springdoc version to 1.6.8.

Rename package for beans.
Remove unused beans.

Update and add tests-

Purpose of Naming to (default) show valid entries.
Therefore exclude some values unless history requested.
Make sure to not exclude present and future values.

Change functions for mnemonic path for system, subsystem.
Change and add to docker integration tests.

Change mnemonic path for structure elements to
system group, system, system + subsystem

Change name element to refer to parentsystemstructure and parentdevicestructure (uuid)
instead of system group, system, subsystem, device type (uuid).
For system structure, change 3 fields to 1 field (system group, system, subsystem to parent system structure).
For device structure, change 1 field  to 1 field (device type to parent device structure).

To   package org.openepics.names.rest.beans.response
From package org.openepics.names.util.response

Purpose to improve clarity and prepare for easier testing of REST API.

Allow one pending entry for uuid, mnemonic, mnemonic equivalence.
Update validation to consider status together with mnemonic, mnemonic validation.
Multiple pending entries per uuid no longer allowed.

Update docker integration tests accordingly.

Correct docker integration tests for structures for delete approve.
Refactor docker integration tests.

JIRA INFRA-4886

Add GitLab-CI build pipeline

See merge request !1

JIRA INFRA-4886