Settings, took care of warnings

xmpd-gui/src/windows/settings.rs

@@ -0,0 +1,14 @@
+use super::Window;
+
+
+#[derive(Debug, Clone)]
+pub struct SettingsW {
+    
+}
+
+
+impl Window for SettingsW {
+    fn draw(&self, ui: &mut egui::Ui, _: &mut crate::GuiState) -> crate::Result<()> {
+        Ok(())
+    }
+}