New Features
Apps: Billing & Subscription Module
Added complete billing ecosystem:
Pricing Screen (plan comparison & selection)
Billing Page (payment methods, invoices overview)
Subscription Management
Create subscription
Edit/update subscription
Manage plans and status

Improvements
CustomTextFormField Enhancement: Better support for validation and UI consistency

Notes
This release introduces a foundation for SaaS-ready apps, especially useful for:
Subscription-based products
Admin dashboards with monetization features
Recommended to integrate with payment providers for full functionality