Implement complete e-commerce functionality with shipping and order management

Features Added:
- Standard e-commerce properties (Price, Weight, shipping fields)
- Order management with Create/Edit views and shipping information
- ShippingRates system for weight-based shipping calculations
- Comprehensive test coverage with JWT authentication tests
- Sample data seeder with 5 orders demonstrating full workflow
- Photo upload functionality for products
- Multi-cryptocurrency payment support (BTC, XMR, USDT, etc.)

Database Changes:
- Added ShippingRates table
- Added shipping fields to Orders (Name, Address, City, PostCode, Country)
- Renamed properties to standard names (BasePrice to Price, ProductWeight to Weight)
- Added UpdatedAt timestamps to models

UI Improvements:
- Added Create/Edit views for Orders
- Added ShippingRates management UI
- Updated navigation menu with Shipping option
- Enhanced Order Details view with shipping information

Sample Data:
- 3 Categories (Electronics, Clothing, Books)
- 5 Products with various prices
- 5 Shipping rates (Royal Mail options)
- 5 Orders in different statuses (Pending to Delivered)
- 3 Crypto payments demonstrating payment flow

Security:
- All API endpoints secured with JWT authentication
- No public endpoints - client apps must authenticate
- Privacy-focused design with minimal data collection

Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

LittleShop/Areas/Admin/Controllers/OrdersController.cs

@@ -0,0 +1,99 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using LittleShop.Services;
+using LittleShop.DTOs;
+
+namespace LittleShop.Areas.Admin.Controllers;
+
+[Area("Admin")]
+[Authorize(Policy = "AdminOnly")]
+public class OrdersController : Controller
+{
+    private readonly IOrderService _orderService;
+
+    public OrdersController(IOrderService orderService)
+    {
+        _orderService = orderService;
+    }
+
+    public async Task<IActionResult> Index()
+    {
+        var orders = await _orderService.GetAllOrdersAsync();
+        return View(orders.OrderByDescending(o => o.CreatedAt));
+    }
+
+    public async Task<IActionResult> Details(Guid id)
+    {
+        var order = await _orderService.GetOrderByIdAsync(id);
+        if (order == null)
+        {
+            return NotFound();
+        }
+
+        return View(order);
+    }
+
+    public IActionResult Create()
+    {
+        return View(new CreateOrderDto());
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Create(CreateOrderDto model)
+    {
+        if (!ModelState.IsValid)
+        {
+            return View(model);
+        }
+
+        var order = await _orderService.CreateOrderAsync(model);
+        return RedirectToAction(nameof(Details), new { id = order.Id });
+    }
+
+    public async Task<IActionResult> Edit(Guid id)
+    {
+        var order = await _orderService.GetOrderByIdAsync(id);
+        if (order == null)
+        {
+            return NotFound();
+        }
+
+        return View(order);
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> Edit(Guid id, OrderDto model)
+    {
+        if (!ModelState.IsValid)
+        {
+            return View(model);
+        }
+
+        var updateDto = new UpdateOrderStatusDto
+        {
+            Status = model.Status,
+            TrackingNumber = model.TrackingNumber,
+            Notes = model.Notes
+        };
+
+        var success = await _orderService.UpdateOrderStatusAsync(id, updateDto);
+        if (!success)
+        {
+            return NotFound();
+        }
+
+        return RedirectToAction(nameof(Details), new { id });
+    }
+
+    [HttpPost]
+    public async Task<IActionResult> UpdateStatus(Guid id, UpdateOrderStatusDto model)
+    {
+        var success = await _orderService.UpdateOrderStatusAsync(id, model);
+        if (!success)
+        {
+            return NotFound();
+        }
+
+        return RedirectToAction(nameof(Details), new { id });
+    }
+}