fix: update Score trait implementation and TUI initialization

Update the `Score` trait implementations to return a `Box<dyn Interpret>` instead of concrete types or clones where necessary. Additionally, refactor the initialization and cleanup in `HarmonyTUI` to use utility functions provided by `ratatui`.

harmony-rs/harmony_tui/src/lib.rs

@@ -1,7 +1,7 @@
-use std::io;
 use crossterm::event::{self, Event};
 use harmony::maestro::Maestro;
 use ratatui::{self, layout::Position, prelude::CrosstermBackend, Frame, Terminal};
+use std::io;
 
 pub mod tui {
     // Export any necessary modules or types from the internal tui module
@@ -43,8 +43,7 @@ impl HarmonyTUI {
 
     pub async fn init(self) -> Result<(), Box<dyn std::error::Error>> {
         color_eyre::install()?;
-        let backend = CrosstermBackend::new(io::stdout());
-        let mut terminal = Terminal::new(backend)?;
+        let mut terminal = ratatui::init();
 
         loop {
             terminal.draw(|f| self.render(f))?;
@@ -53,6 +52,8 @@ impl HarmonyTUI {
             }
         }
 
+        ratatui::restore();
+
         Ok(())
     }