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

shell/ferese-shell/src/system_modal.rs

@@ -508,10 +508,10 @@ impl FereseShell {
 
     fn view_system_modal(&self, id: window::Id) -> Element<'_, cosmic::Action<Message>> {
         let Some(modal) = &self.system_modal else {
-            return self.render.text("").into();
+            return self.render.text(ferese_config::tr!("")).into();
         };
         let Some(surface) = modal.surfaces.iter().find(|surface| surface.id == id) else {
-            return self.render.text("").into();
+            return self.render.text(ferese_config::tr!("")).into();
         };
         motion::frame_driven(
             modal.motion.revision(),
@@ -542,10 +542,10 @@ impl FereseShell {
         now: Instant,
     ) -> Element<'_, cosmic::Action<Message>> {
         let Some(modal) = &self.system_modal else {
-            return self.render.text("").into();
+            return self.render.text(ferese_config::tr!("")).into();
         };
         let Some(surface) = modal.surfaces.iter().find(|surface| surface.id == id) else {
-            return self.render.text("").into();
+            return self.render.text(ferese_config::tr!("")).into();
         };
         let progress = modal.motion.progress_at(now);
         let content: Element<'_, cosmic::Action<Message>> = if surface.primary {
@@ -568,7 +568,9 @@ impl FereseShell {
                     {
                         rows = rows.push(
                             self.render
-                                .text("Applications requested that this action be prevented:")
+                                .text(ferese_config::tr!(
+                                    "Applications requested that this action be prevented:"
+                                ))
                                 .size(13)
                                 .class(theme::Text::Color(palette.muted)),
                         );
@@ -664,13 +666,13 @@ impl FereseShell {
                         .saturating_sub(360)
                         .clamp(40, 400) as f32;
                     column![
-                        self.render.text("Welcome to Ferese").size(23),
+                        self.render.text(ferese_config::tr!("Welcome to Ferese")).size(23),
                         ferese_theme::menus::section_label("Your active shortcuts", self.render.font, palette.muted,)
                             .size(14),
                         container(cosmic::widget::scrollable(bindings).height(Length::Shrink)).max_height(height),
                         self.render
                             .text(
-                                "Disable this guide in Settings → Shortcuts. It appears at each login until disabled."
+                                ferese_config::tr!("Disable this guide in Settings → Shortcuts. It appears at each login until disabled.")
                             )
                             .size(12)
                             .class(theme::Text::Color(palette.muted)),
@@ -718,7 +720,7 @@ impl FereseShell {
                 }))
                 .into()
         } else {
-            self.render.text("").into()
+            self.render.text(ferese_config::tr!("")).into()
         };
         let content = if surface.primary {
             motion::animated(