feat: openapi lint

[bkioshn]

Description

Adding OpenAPI linting

Related Issue(s)

Link to this issue input-output-hk/catalyst-voices#143

Description of Changes

• Add spectral rule set including
  • OWASP TOP 10
  • Spectral Documentation
  • OpenAPI
• Add check OpenAPI lint target
• Create BUILD_SPECTRAL function and base_spectral target
• Add example of OpenAPI json file
• Add spectral / JSON and YAML linter document
• Change cat-ci version to v2.2.3

Related Pull Requests

Link to this PR input-output-hk/catalyst-voices#208

Please confirm the following checks

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• 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
• Any dependent changes have been merged and published in downstream module

[stevenj]

LGTM

[stevenj]

LGTM