feat: implement authentication flow and session management

- Update RootLayout to handle authentication state and redirect users based on their auth status.
- Create an Index component to redirect unauthenticated users to the login page.
- Modify ApiAuthRepository to fetch user session data using access and refresh tokens.
- Introduce a new container file to manage use case instances for authentication and filament operations.
- Enhance authStore to validate tokens and fetch user data from the API.
- Add babel-plugin-module-resolver for improved module imports.
- Update package.json scripts for running the app on Android and iOS.
- Add expo-camera dependency for camera functionalities.
- Update tsconfig.json to include infrastructure path mapping.

mobile/app/(app)/(tabs)/add.tsx

@@ -1,17 +1,9 @@
 import React from 'react';
-import { useRouter } from 'expo-router';
 import { Screen } from '@presentation/components/layout/Screen';
 
 /**
- * Tab "add" — apenas redireciona para o formulário de novo filamento.
- * O FAB central da tab bar chama esta rota.
+ * Tab "add" — tela placeholder; a navegação é interceptada pelo FAB no _layout.
  */
 export default function AddTab(): React.ReactElement {
-  const router = useRouter();
-
-  React.useEffect(() => {
-    router.replace('/(app)/inventory/new');
-  }, [router]);
-
   return <Screen />;
 }