refactor: clean up use for crate stuff

src/main.rs

@@ -5,10 +5,12 @@ use ratatui::{
     backend::CrosstermBackend,
 };
 
-use altoku::app::{App, AppResult};
+use altoku::{
-use altoku::tui::Tui;
+    app::{App, AppResult},
-use altoku::event::{Event, EventHandler};
+    tui::Tui,
-use altoku::handler::handle_key_events;
+    event::{Event, EventHandler},
+    handler::handle_key_events,
+};
 
 #[tokio::main]
 async fn main() -> AppResult<()> {