refactor(App, navigation): migrate to Expo Router and clean up navigation structure

- Updated App entry point to utilize Expo Router, simplifying the navigation setup.
- Removed legacy navigation components and services to streamline the codebase.
- Adjusted package.json to reflect the new entry point and updated dependencies for compatibility.
- Enhanced overall application structure by consolidating navigation logic and improving maintainability.

app/(app)/(tabs)/profile/_layout.tsx

@@ -0,0 +1,36 @@
+import { Stack } from 'expo-router';
+import { useRouter } from 'expo-router';
+
+import { AppBackButton } from '../../../../src/components/common';
+import { colors } from '../../../../src/theme';
+
+const headerOptions = {
+  headerStyle: { backgroundColor: colors.background.paper },
+  headerTintColor: colors.text.primary,
+  headerTitleStyle: { fontWeight: '600' as const },
+  headerShadowVisible: false,
+  headerBackTitle: '',
+};
+
+export default function ProfileStackLayout() {
+  const router = useRouter();
+
+  return (
+    <Stack
+      screenOptions={{
+        ...headerOptions,
+        headerBackVisible: false,
+        headerLeft: () => <AppBackButton onPress={() => router.back()} />,
+      }}
+    >
+      <Stack.Screen name="index" options={{ headerShown: false }} />
+      <Stack.Screen name="settings" options={{ headerShown: true, title: '设置' }} />
+      <Stack.Screen name="edit-profile" options={{ title: '编辑资料' }} />
+      <Stack.Screen name="account-security" options={{ title: '账号安全' }} />
+      <Stack.Screen name="my-posts" options={{ title: '我的帖子' }} />
+      <Stack.Screen name="bookmarks" options={{ title: '收藏' }} />
+      <Stack.Screen name="notification-settings" options={{ title: '通知设置' }} />
+      <Stack.Screen name="blocked-users" options={{ title: '黑名单' }} />
+    </Stack>
+  );
+}