added the missing file

src/console.rs

@@ -0,0 +1,22 @@
+
+use bevy::prelude::*;
+
+// this seems to crash
+
+pub fn toggle_fullscreeen(
+    input: Res<Input<KeyCode>>,
+    mut windows: ResMut<Windows>,
+) {
+    let window = windows
+        .get_primary_mut()
+        .unwrap();
+
+    if input.pressed(KeyCode::F) /*&& input.just_pressed(KeyCode::Return) */ {
+        if window.mode() == WindowMode::Windowed {
+            window.set_mode(WindowMode::Fullscreen);
+        } else {
+            window.set_mode(WindowMode::Windowed);
+        }
+    }
+}
+