feat: Complete Z.CRM system with all 6 modules

✨ Features:
- Complete authentication system with JWT
- Dashboard with all 6 modules visible
- Contact Management module (Salesforce-style)
- CRM & Sales Pipeline module (Pipedrive-style)
- Inventory & Assets module (SAP-style)
- Tasks & Projects module (Jira/Asana-style)
- HR Management module (BambooHR-style)
- Marketing Management module (HubSpot-style)
- Admin Panel with user management and role matrix
- World-class UI/UX with RTL Arabic support
- Cairo font (headings) + Readex Pro font (body)
- Sample data for all modules
- Protected routes and authentication flow
- Backend API with Prisma + PostgreSQL
- Comprehensive documentation

🎨 Design:
- Color-coded modules
- Professional data tables
- Stats cards with metrics
- Progress bars and status badges
- Search and filters
- Responsive layout

📊 Tech Stack:
- Frontend: Next.js 14, TypeScript, Tailwind CSS
- Backend: Node.js, Express, Prisma
- Database: PostgreSQL
- Auth: JWT with bcrypt

🚀 Production-ready frontend with all features accessible

README.md

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+# Z.CRM System
+## نظام إدارة علاقات العملاء - نظام إدارة شامل
+
+Enterprise-grade CRM system with 6 integrated modules:
+
+1. **Contact Management** - إدارة جهات الاتصال
+2. **CRM** - إدارة علاقات العملاء
+3. **Inventory & Assets** - إدارة المستودعات والأصول
+4. **Tasks & Projects** - إدارة المهام والمشاريع
+5. **HR Management** - إدارة الموارد البشرية
+6. **Marketing** - إدارة التسويق
+
+## Tech Stack
+
+### Backend
+- Node.js + Express + TypeScript
+- PostgreSQL with Prisma ORM
+- JWT Authentication
+- Role-based Access Control (RBAC)
+
+### Frontend
+- Next.js 14 with TypeScript
+- Tailwind CSS
+- RTL Support (Arabic/English)
+- React Query for data fetching
+
+## Installation
+
+```bash
+# Install all dependencies
+npm run install-all
+
+# Setup database
+cd backend
+cp .env.example .env
+# Edit .env with your database credentials
+npx prisma migrate dev
+npx prisma generate
+npx prisma db seed
+```
+
+## Development
+
+```bash
+# Run both backend and frontend
+npm run dev
+
+# Or run separately
+npm run dev:backend  # Backend on port 5000
+npm run dev:frontend # Frontend on port 3000
+```
+
+## Production
+
+```bash
+npm run build
+npm start
+```
+
+## Project Structure
+
+```
+z_crm/
+├── backend/           # Express API server
+│   ├── src/
+│   │   ├── modules/
+│   │   │   ├── contacts/      # Module 1
+│   │   │   ├── crm/           # Module 2
+│   │   │   ├── inventory/     # Module 3
+│   │   │   ├── projects/      # Module 4
+│   │   │   ├── hr/            # Module 5
+│   │   │   └── marketing/     # Module 6
+│   │   ├── shared/
+│   │   ├── auth/
+│   │   └── config/
+│   ├── prisma/
+│   └── tests/
+├── frontend/          # Next.js application
+│   ├── src/
+│   │   ├── app/
+│   │   ├── components/
+│   │   ├── modules/
+│   │   └── lib/
+│   └── public/
+└── docs/             # Documentation
+```
+
+## Key Features
+
+- ✅ Unified ID system for all contacts
+- ✅ Duplicate detection and merging
+- ✅ Complete audit logging
+- ✅ Hierarchical organizational structure
+- ✅ Multi-level approval workflows
+- ✅ Role-based permissions from HR module
+- ✅ 360° contact history
+- ✅ Full Arabic & English support
+- ✅ Document versioning
+- ✅ Soft delete (archiving)
+- ✅ Advanced search & filtering
+
+## Security
+
+- JWT-based authentication
+- HR module controls all system access
+- Field-level permissions
+- Complete audit trail
+- Data masking for sensitive info
+- No default delete - archive only
+
+## License
+
+Proprietary - © مجموعة أتمتة
+