feat/add bitcoin sig verification module in Contract.

[leeduckgo]

I think the code here will be helpful for the impl:

https://github.com/rooch-network/rooch/tree/f0c4313d071baaf558a3ae4625fd288c62ced755/frameworks/bitcoin-move

And here are some docs:

https://en.bitcoin.it/wiki/Message_signing

https://github.com/fivepiece/sign-verify-message/blob/master/signverifymessage.md

https://www.verifybitcoinmessage.com/