Add services feature with mock data and components

Introduces comprehensive services management module with:
- Dynamic service and category tables
- Localization support for services section
- Mock data for services and categories
- Responsive UI components for services listing
- Menu navigation and styling updates

Enhances application's service management capabilities

PlanTempus.Application/Features/Services/Components/ServiceTable/ServiceTableViewComponent.cs

@@ -0,0 +1,110 @@
+using System.Text.Json;
+using Microsoft.AspNetCore.Mvc;
+using PlanTempus.Application.Features.Localization.Services;
+
+namespace PlanTempus.Application.Features.Services.Components;
+
+public class ServiceTableViewComponent : ViewComponent
+{
+    private readonly ILocalizationService _localization;
+    private readonly IWebHostEnvironment _env;
+
+    public ServiceTableViewComponent(ILocalizationService localization, IWebHostEnvironment env)
+    {
+        _localization = localization;
+        _env = env;
+    }
+
+    public IViewComponentResult Invoke(string key)
+    {
+        var data = LoadServiceData();
+        var model = new ServiceTableViewModel
+        {
+            Key = key,
+            SearchPlaceholder = _localization.Get("services.searchPlaceholder"),
+            CreateButtonText = _localization.Get("services.createService"),
+            ColumnService = _localization.Get("services.table.service"),
+            ColumnDuration = _localization.Get("services.table.duration"),
+            ColumnPrice = _localization.Get("services.table.price"),
+            Categories = data.Categories
+                .OrderBy(c => c.SortOrder)
+                .Select(c => new ServiceCategoryViewModel
+                {
+                    Id = c.Id,
+                    Name = c.Name,
+                    Services = data.Services
+                        .Where(s => s.CategoryId == c.Id)
+                        .Select(s => new ServiceItemViewModel
+                        {
+                            Id = s.Id,
+                            Name = s.Name,
+                            Duration = s.Duration,
+                            Price = s.Price
+                        })
+                        .ToList()
+                })
+                .Where(c => c.Services.Any())
+                .ToList()
+        };
+
+        return View(model);
+    }
+
+    private ServiceMockData LoadServiceData()
+    {
+        var jsonPath = Path.Combine(_env.ContentRootPath, "Features", "Services", "Data", "servicesMock.json");
+        var json = System.IO.File.ReadAllText(jsonPath);
+        return JsonSerializer.Deserialize<ServiceMockData>(json, new JsonSerializerOptions
+        {
+            PropertyNameCaseInsensitive = true
+        }) ?? new ServiceMockData();
+    }
+}
+
+public class ServiceTableViewModel
+{
+    public required string Key { get; init; }
+    public required string SearchPlaceholder { get; init; }
+    public required string CreateButtonText { get; init; }
+    public required string ColumnService { get; init; }
+    public required string ColumnDuration { get; init; }
+    public required string ColumnPrice { get; init; }
+    public required IReadOnlyList<ServiceCategoryViewModel> Categories { get; init; }
+}
+
+public class ServiceCategoryViewModel
+{
+    public required string Id { get; init; }
+    public required string Name { get; init; }
+    public required IReadOnlyList<ServiceItemViewModel> Services { get; init; }
+}
+
+public class ServiceItemViewModel
+{
+    public required string Id { get; init; }
+    public required string Name { get; init; }
+    public int Duration { get; init; }
+    public decimal Price { get; init; }
+}
+
+internal class ServiceMockData
+{
+    public List<ServiceCategoryData> Categories { get; set; } = new();
+    public List<ServiceData> Services { get; set; } = new();
+}
+
+internal class ServiceCategoryData
+{
+    public string Id { get; set; } = "";
+    public string Name { get; set; } = "";
+    public int SortOrder { get; set; }
+}
+
+internal class ServiceData
+{
+    public string Id { get; set; } = "";
+    public string CategoryId { get; set; } = "";
+    public string Name { get; set; } = "";
+    public int Duration { get; set; }
+    public decimal Price { get; set; }
+}