Update project documentation, status reports, and technical READMEs to
reflect the successful completion of Phase 2 (Financial Automation) and
Phase 3 (Customer Portal & WordPress Integration).
Changes include:
- Updated `STATUS.md` and `README.md` to mark Phases 2 and 3 as completed
- Updated `01_Documents/IFNEX_Phase0_Checklist.md` with detailed task
completion status for Phases 1, 2, and 3
- Refined technical architecture documentation in `04_Laravel/README.md`
to include new services (Zarinpal, OrderPayment), controllers (Auth,
CustomerOrder), and Filament resources (Wallet, Payment, DiscountCode)
- Added `DEPLOYMENT.md` for deployment instructions
- Updated system specifications to include Laravel Sanctum, RBAC via
spatie/laravel-permission, and the updated WordPress/IFNEX Bridge
capabilities
