feat: add @Format core annotation for Swagger and Json schema

[rmcmk]

See: https://swagger.io/docs/specification/v3_0/data-models/data-types/#string-formats
See: https://json-schema.org/draft/2020-12/json-schema-validation#name-vocabularies-for-semantic-c

[SMILEY4]

I think we still need to add the extension methods for the steps in

• /~https://github.com/SMILEY4/schema-kenerator/blob/develop/schema-kenerator-jsonschema/src/main/kotlin/io/github/smiley4/schemakenerator/jsonschema/steps.kt
• /~https://github.com/SMILEY4/schema-kenerator/blob/develop/schema-kenerator-swagger/src/main/kotlin/io/github/smiley4/schemakenerator/swagger/steps.kt
  or rather add it to "handleCoreAnnotations()"

[rmcmk]

@SMILEY4 All fixed. Apologies for that, was moving fast. 😃

[SMILEY4]

no problem. Thanks a lot for your pr 👍