### What problem does your feature solve? Allows users to use accounts not stored by the CLI. ### What would you like to see? Keychain - For macos: https://github.com/near/near-cli-rs/blob/9ef098edcb2eca131592feb4917f3715dceb36a2/src/transaction_signature_options/sign_with_macos_keychain/mod.rs
What problem does your feature solve?
Allows users to use accounts not stored by the CLI.
What would you like to see?
Keychain - For macos:
https://github.com/near/near-cli-rs/blob/9ef098edcb2eca131592feb4917f3715dceb36a2/src/transaction_signature_options/sign_with_macos_keychain/mod.rs