feat(settings): add grouped configuration hub, languages and tray controls

crates/ferese-config/src/night_light.rs

@@ -1,6 +1,6 @@
 use serde::{Deserialize, Serialize};
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Deserialize, Serialize)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Deserialize, Serialize, schemars::JsonSchema)]
 #[serde(default, deny_unknown_fields)]
 pub struct Settings {
     pub enabled: bool,