Add automatic Bitcoin allocation to regtest addresses inside Clarinet Integrate's devnet

[mefrem]

Per discussion with @kenrogers; Can we expose Bitcoin allocations for the addresses the developer controls within the Clarinet devnet's Bitcoin regtest, configurable through Clarinet's deployment plan?

Similar to how users automatically have a STX allocation when they spin up clarinet integrate, it would be great if we could have a corresponding BTC allocation so developers could immediately start building Bitcoin-first apps without any additional setup.

BONUS: Can we do this in a way that the Bitcoin address that is generated by the Hiro Web Wallet would be the one to receive the allocation? Currently, developers can directly import the local wallet via seed phrase defined in the Devnet.toml file, but it's not immediately clear to me how this would work with the Bitcoin address associated with that Stacks address in the user's wallet.