Constrain app minimum size

Signed-off-by: kernelkind <kernelkind@gmail.com>

src/app_creation.rs

@@ -9,6 +9,7 @@ pub fn generate_native_options() -> NativeOptions {
             .with_fullsize_content_view(true)
             .with_titlebar_shown(false)
             .with_title_shown(false)
+            .with_min_inner_size([660.0 * (1.0 + UI_SCALE_FACTOR) , 720.0 * (1.0 + UI_SCALE_FACTOR)])
     });
     let mut native_options = eframe::NativeOptions::default();
     native_options.window_builder = Some(window_builder);