CLEANUP: cleans up dependencies to use workspace version

CLEANUP: standardizes on pretty_env_logger
NEWBIN: Adds gemmarat to use Ratatui as an interface
CLEANUP: removes debugging display from computer.rs
ENHANCEMENT: Constants for locations of test roms built from environment
BUGFIX: SoundTimer was using i32 internally when it needs to be u8
CLEANUP: removes commented code used during diagnostics

gemmaegui/Cargo.toml

@@ -8,3 +8,5 @@ gemma = { path = "../gemma" }
 egui.workspace = true
 eframe.workspace = true
 catppuccin-egui = { version = "5.3.0", default-features = false, features = ["egui29"] }
+pretty_env_logger.workspace = true
+log.workspace = true