Add support for format JSON-API 1.1

[Art4]

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JSON:API v1.1 was finalized September 30, 2022!

TODO

• [ ] New lid property in Resource Objects https://jsonapi.org/format/1.1/#document-resource-objects
• [ ] New lid property in Resource Identifier Objects https://jsonapi.org/format/1.1/#document-resource-identifier-objects
• [ ] New ext and profile properties in Jsonapi object https://jsonapi.org/format/1.1/#document-jsonapi-object
• [ ] New describedby property in the top level Links object https://jsonapi.org/format/1.1/#document-top-level
• [ ] New possible members in top level Object defined by an extension https://jsonapi.org/format/1.1/#document-top-level
• [ ] New possible member in Relationship Objects defined by an extension https://jsonapi.org/format/1.1/#document-resource-object-relationships
• [ ] New possible member in Relationship Link Objects defined by an extension https://jsonapi.org/format/1.1/#document-resource-object-relationships
• [ ] Links can contain a string (instead of an object) https://jsonapi.org/format/1.1/#document-links
• [ ] Link Objects can contain new members like rel, title, describedby, type and hreflang https://jsonapi.org/format/1.1/#auto-id--link-objects
• [ ] New @-Members https://jsonapi.org/format/1.1/#document-member-names-at-members
• [ ] New header member in Error Source objects https://jsonapi.org/format/1.1/#error-objects