feat: Added a --fresh flag to let users create a truly bare bones sandbox without bootstrapping their config

src/main.rs

@@ -95,7 +95,7 @@ async fn main() -> Result<()> {
     }
 
     if let Some(name) = &cli.sandbox {
-        return sandbox::launch(name.clone());
+        return sandbox::launch(name.clone(), cli.fresh);
     }
 
     install_builtins()?;