Added RFC 005 - issue-legal-person-identification-data (EWC-consortiu…

…m#55)

* Create ewc-rfc005-issue-legal-person-identification-data.md- Added RCF005 - Issue LPID
* Added sequence diagram of LPID transactional flow
* Updated sequence diagram and added descriptive steps. Added a chapter for LPID issuance process, natural person <-> PID Provider.
* Added wallet solution pic to references.
* Hide Table of Content; use functionality within GitHub instead
* Updated sequence diagram
* Added discovery of issuer capabilities to the sequence diagram
* Updated chapter 4.1 and added reference to eIDAS 2
* Added picture for LPID process
* Added descriptive steps to the issuance process
* Added chapter 5.10.3 LPID schema as placeholder for LPID credential; description of attributes/metadata and schema
* Added jsonschema for lpid
* Updated sequence diagram to adhere to OpenID4VP
* Added table for attributes
* Added EUID format

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Co-authored-by: lrsbolagsverket <[email protected]>