Cardano Updates

Co-authored-by: Robert Phair <[email protected]>

Co-authored-by: Robert Phair <[email protected]>

* conway-keys CIP intial commit

* add CC cold and hot keys

* further details on CC keys

* small correction

* add CC to rationale

* small tidy

* fix extended key type naming, thanks @gitmachtl

* missed _bip32 for CC hot key type

* align with CIP number 105

* credentail serilisation correction

* revert last crdential serilzation changes

* clarification around credential array

* Specify hashing algorithm for rootHash calculation

* Add off-chain version property

* Update categories with Lace DApp Store category list

* Add DApp screenshot and company detail fields

* Remove duplicated/ambiguous website property

* Add some property length constraints and describe image requirements

* Specify property length limit for the rest `social` props

* Fix a typo

* Enhanced the regex for URLs to be more permissive by allowing ipfs and other protocols. Renamed twitter to x.com

* Removed extra signature in the on-chain metadata

* Applied suggestions to have flexible social links

* Logo and screenshots gives you the posibility to add base64 images and changed version to follow semver

* Added examples using the new schema

* Follow semver for all versions

* Removed optional links, images only via base64. Added 3 new fields

* Changed some descriptions and added some mandatory fields

* Added screenshots as mandatory

* Removed ftp for links

* Added short description to be mandatory

* Applied suggestions after review

* Bump version to 2.0.0 and removed schema topic in rationale

* There is no point defining a schema if it can be violated 🤷‍

* Applied suggestion, we are not signing the off-chain data anymore.

* URL settings simplified

* Fixed version to follow semver

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Co-authored-by: Daniel Main <[email protected]>
Co-authored-by: Daniel Main <[email protected]>

Co-authored-by: Ryan Williams <[email protected]>

Co-authored-by: Robert Phair <[email protected]>

these only format properly as tick-boxes on GitHub & other Markdown previewers when either a space or `x`

Co-authored-by: Robert Phair <[email protected]>

This stub file was only included when CIPs were historically changed to use file base name README rather than the CIP name.

Co-authored-by: Robert Phair <[email protected]>

2) The old version of the Metadata type has been renamed to Metadatum;

3) Added the LocalizedString type, allowing DApps to add transaction descriptions in more than one language (where possible);

4) In the TransactionScript type, the type for the metadata field has been changed to match item 1. Also, two new fields have been added: message and draft.