feat: Code snippet configuration

[CarsonCook]

Description

Adds the apiInfo.codeSnippets configuration to Eureka metadata. Additionally adds refactor for the APIService model to simplify access to the ApiInfo model.

This finishes the server side work for #2385.

Linked to #2385
Part of the #2208

Type of change

Please delete options that are not relevant.

• (feat) New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas. In JS I did provide JSDoc
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• The java tests in the area I was working on leverage @nested annotations

For more details about how should the code look like read the Contributing guideline

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

96.6% Coverage
0.0% Duplication