Add trust establishment data model spec for Swagger UI

[andorsk]

openapi: 3.0.0
info:
  title: Trust Establishment API
  version: 1.0.0
paths:
  /trust-establishment:
    post:
      summary: Create a new trust establishment entry
      description: >
        This endpoint allows for the creation of a new trust establishment entry. 
        Clients can submit trust establishment information which is then processed and stored.
      requestBody:
        description: The trust establishment data to be created.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TrustEstablishment'
      responses:
        '201':
          description: Successfully created a trust establishment entry.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrustEstablishment'
        '400':
          description: Invalid input - the provided data does not conform to the required schema.
components:
  schemas:
    TrustEstablishment:
      $schema: http://json-schema.org/draft-07/schema#
      title: Trust Establishment
      type: object
      properties:
        id:
          type: string
          description: Unique identifier for the trust establishment document.
        author:
          type: string
          description: The author of the trust establishment entry.
        created:
          type: string
          format: date-time
          description: The date and time when the entry was created.
        validFrom:
          type: string
          format: date-time
          description: The starting date and time from which the entry is valid.
        validUntil:
          type: string
          format: date-time
          description: The ending date and time until which the entry is valid.
        version:
          type: integer
          description: The version number of the trust establishment entry.
        entries:
          type: object
          patternProperties:
            "\\w+:(\/?\/?)[^\\s]+":
              type: object
          additionalProperties: false
          description: A collection of entries, each conforming to a specific pattern.
      required:
        - id
        - author
        - created
        - validFrom
        - version
        - entries
      additionalProperties: false
      description: Schema for a trust establishment entry.

[andorsk]

should have the data model for help. sure the wording could be improved. chatgpt'd so some language can be improved.

[andorsk]

we can add this as a pr, but just putting here for record keeping for now

[sankarshanmukhopadhyay]

    created:
      type: string
      format: date-time
      description: The date and time when the entry was created.

If an entry needs to be updated would the lifecycle include a revocation and a fresh entry?

[andorsk]

Discussed at ToIP: This is Trust Etablishment spec and needs to be moved to Cred Trust Establishment.
https://identity.foundation/credential-trust-establishment/

[darrellodonnell]

Why is that? Trust Registries do more than credential exchange.