VCI Auth source metadata update

[RosaliaGaleano]

Add the data

• "logo"
• "name"
• "credential url" (e.g. interno.gov.it/pid)
• "supporting contact"

of the Authentic Source(s), useful to be displayed during the issuance phase.

[peppelinux]

The relevant information are provided in the current VCI metadata https://github.com/italia/eudi-wallet-it-docs/pull/216/files

we'll map the values to resolve all the requirements raised by service design team