chore(feat): add entity post and path

[RVANDO12]

PR Description

What this PR Provides

need #19 before

full post entity endpoint created with an example of using record on entitydto and removing overkill usage of lombok
clarify path of endpoint and swagger.

Fixes

Review

The reviewer must double-check these points:

• The reviewer has tested the feature
• The reviewer has reviewed the implementation of the feature
• The documentation has been updated
• The feature implementation respects the Technical Doc / ADR previously produced
• The Pull Request title has a ! after the type/scope to identify the breaking
  change in the release note and ensure we will release a major version.

How to test

Please refer (copy/paste) the test section from the User Story. This should include

• The initial state: what should be the status of the system before testing
  (for example, ensure the data xxx exists in idp-back to be able to test the feature)
• What and how to test: steps to perform to test the feature
  (for example, go to page xxx, fill the xxx field and click the 'send' button)
• Expected results: what should be observed for success or failure
  (for example, there is a link in the database between component X and component Y.
  You can retrieve the information with a GET request to the API)

Breaking changes (if any)

• Data loss / modification
• API JSON schema modification (existing resource / behavior)
• Behavior modification of a component
• Others
• N/A

Context of the Breaking Change

For example: we redefined the component types list in the DPAC referential

Result of the Breaking Change

For example: your component of type xxx will migrate to the type yyy