project restructure with Rust workspaces

crates/jarvis-app/src/tray/menu.rs

@@ -0,0 +1,15 @@
+pub enum TrayMenuItem {
+    Restart,
+    Settings,
+    Exit,
+}
+
+impl TrayMenuItem {
+    pub fn label(&self) -> &str {
+        match *self {
+            TrayMenuItem::Restart => "Перезапустить",
+            TrayMenuItem::Settings => "Настройки",
+            TrayMenuItem::Exit => "Выход",
+        }
+    }
+}