🐛 Fix `run <n>` in stackline-cli

stackline-cli/src/main.rs

@@ -293,7 +293,7 @@ fn run(world: &mut World, steps: usize) -> std::io::Result<()> {
     let mut first = true;
 
     world.init();
-    for _ in 0..steps {
+    for _ in 0..=steps {
         if !first {
             world.step();
             write!(stdout, "\x1b[{};A", world.get_bounds().3)?;