feat(i18n): add internationalization with i18next and expo-localization

App.tsx

@@ -1,21 +1,29 @@
 import "./global.css";
+import "./src/i18n";
 import { StatusBar } from "expo-status-bar";
 import { NavigationContainer } from "@react-navigation/native";
 import { RootNavigator } from "./src/navigation/RootNavigator";
 import { DatabaseProvider } from "./src/providers/DatabaseProvider";
 import { SettingsProvider } from "./src/providers/WatchProvider";
 import { useWatchWorkoutSync } from "./src/features/watch-connectivity/hooks/useWatchWorkoutSync";
+import { useSystemLanguageListener } from "./src/i18n";
 
 function WatchSync() {
   useWatchWorkoutSync();
   return null;
 }
 
+function SystemLanguageListener() {
+  useSystemLanguageListener();
+  return null;
+}
+
 export default function App() {
   return (
     <DatabaseProvider>
       <SettingsProvider>
         <NavigationContainer>
+          <SystemLanguageListener />
           <WatchSync />
           <RootNavigator />
           <StatusBar style="light" />