clarify that logo_uri can be of multiple schemes (#141)

three approvals. open for more than a week.

* clarify logo_uri can be of multiple schemes

* add logo image for the credential issuer and change uri to an array

* change param name to uris

* fall back to a string

* move credential issuer logo_uri to a correct place

* remove issuer logo from this PR to turn into another PR

* add history entry

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Co-authored-by: Kristina <=>

openid-4-verifiable-credential-issuance-1_0.md

@@ -1352,7 +1352,7 @@ This specification defines the following Credential Issuer Metadata:
       * `name`: REQUIRED. String value of a display name for the Credential.
       * `locale`: OPTIONAL. String value that identifies the language of this object represented as a language tag taken from values defined in BCP47 [@!RFC5646]. Multiple `display` objects MAY be included for separate languages. There MUST be only one object for each language identifier.
       * `logo`: OPTIONAL. Object with information about the logo of the Credential with a following non-exhaustive list of parameters that MAY be included:
-          * `url`: OPTIONAL. URL where the Wallet can obtain a logo of the Credential from the Credential Issuer.
+          * `uri`: OPTIONAL. String value that contains a URI where the Wallet can obtain a logo of the Credential from the Credential Issuer. Wallet needs to determine the scheme, since the URI value could use `https:` scheme, `data:` scheme, etc.
           * `alt_text`: OPTIONAL. String value of an alternative text of a logo image.
       * `description`: OPTIONAL. String value of a description of the Credential.
       * `background_color`: OPTIONAL. String value of a background color of the Credential represented as numerical color values defined in CSS Color Module Level 37 [@!CSS-Color].
@@ -2292,6 +2292,7 @@ Wallet Providers may also provide a market place where Issuers can register to b
 
    -13
 
+   * clarified that logo can is a uri and not a url only
    * moved the annex with Credential format profiles to the top of all annexes
    * added a Notification Endpoint used by the Wallet to notify the Credential Issuer of certain events for issued Credentials
    * completed IANA registrations section