Add Trezor support

[jordaniza]

Hey @ind-igo, thanks for this. I'd like to use it with my Trezor and happy to PR into the repo instead of forking.

Just reviewing the BatchScript.sol file and want to double check the implementation approach with you to confirm I'm not missing anything:

https://github.com/ind-igo/forge-safe/blob/main/src/BatchScript.sol#L68
Add hash of "trezor" as an option

https://github.com/ind-igo/forge-safe/blob/main/src/BatchScript.sol#L158
Add trezor to switch statement - I am assuming trezor supports the mnemonic index flag but I can't see documentation on it?

Cheers

[ind-igo]

Hey @jordaniza,

Yes, I believe this is correct, although you will also have to add another if block at https://github.com/ind-igo/forge-safe/blob/main/src/BatchScript.sol#L202 to be able to pass in the proper trezor cli args to cast.