feat(companion): initial rn port scaffold

aris/components/Container.tsx

@@ -0,0 +1,9 @@
+import { SafeAreaView } from 'react-native';
+
+export const Container = ({ children }: { children: React.ReactNode }) => {
+  return <SafeAreaView className={styles.container}>{children}</SafeAreaView>;
+};
+
+const styles = {
+  container: 'flex flex-1 m-6',
+};