feat(new-wallet): polkadot(.js)

[anthon-dev]

• Add Polkadot.js wallet package.
• Update the polkadot/api version as "@polkadot/api": "10.12.6"
• Tested on the playground for both Talisman and Polkadot.js wallet.

Send snapshot:

[olegpetroveth]

Works great for me (ss58.org)

Highlighted text is what PolkadotJS extension is showing me. converting to polkadot derivation path matches playground

[towanTG]

Also - rebase with develop to solve bun lockb conflicts

[ice-chillios]

@anthon-dev add changeset to your pr to prepare it for release - remember to not mark everything as major ;)