Wallet interoperability documentation

[Enegnei]

Hi @johnsBeharry, just saw this project today via the Square Crypto grant announcement - congrats!

I noticed that one of the sections is 'Wallet Interoperability.' In case you haven't seen it yet, you might be interested in our Wallets Recovery guide (walletsrecovery.org), which specifically focuses on breaking down the complexities and challenges of backing up, recovering, and migrating private keys between different types of bitcoin wallets. Feel free to use it if you find it helpful for the Design Guide. :)