Initial React Native Android project setup with multiplatform desktop support.

Added React Native project structure with Android configuration, Tauri desktop app support, and build artifacts. Includes development tools, test configuration, and platform-specific resources.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

App.tsx

@@ -0,0 +1,28 @@
+/**
+ * Sample React Native App
+ * https://github.com/facebook/react-native
+ *
+ * @format
+ */
+
+import { NewAppScreen } from '@react-native/new-app-screen';
+import { StatusBar, StyleSheet, useColorScheme, SafeAreaView } from 'react-native';
+
+function App() {
+  const isDarkMode = useColorScheme() === 'dark';
+
+  return (
+    <SafeAreaView style={styles.container}>
+      <StatusBar barStyle={isDarkMode ? 'light-content' : 'dark-content'} />
+      <NewAppScreen templateFileName="App.tsx" />
+    </SafeAreaView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+  },
+});
+
+export default App;