* One use statement
* Add stdin uri scheme
* Convert parse_signer_source to return Result
* A-Z deps
* Convert Usb data to Locator
* Pull DerivationPath out of Locator
* Wrap SignerSource to share derivation_path
* Review comments
* Check Filepath existence, readability in parse_signer_source
* issue #10831: added --with-memo option to all cli commands that submit
transactions. Also, improve the block command to show UTF-8 string instead
of integer values for memo program data.
* Fixed tests and changed some syntax according to feedback.
* Use spl_memo id (all versions where applicable) instead of hardcoding id.
* Update Cargo.toml in programs/bpf.
* Update formatting via cargo fmt.
* Update to use spl_memo version 3.0.1, which simplifies package imports