New Breadcrumb user control

New Breadcrumb service
WIP icons and back button behavior

ModernKeePass.Application/Common/Interfaces/IBreadcrumbService.cs

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+using System.Collections.Generic;
+using ModernKeePass.Application.Common.Models;
+
+namespace ModernKeePass.Application.Common.Interfaces
+{
+    public interface IBreadcrumbService
+    {
+        void Push(BreadcrumbItem item);
+        BreadcrumbItem Pop(int count = 1);
+        IEnumerable<BreadcrumbItem> GetItems();
+    }
+}

ModernKeePass.Application/Common/Models/BreadcrumbItem.cs

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+using ModernKeePass.Domain.Enums;
+
+namespace ModernKeePass.Application.Common.Models
+{
+    public class BreadcrumbItem
+    {
+        public string Path { get; set; }
+        public string Name { get; set; }
+        public Icon Icon { get; set; }
+
+    }
+}

ModernKeePass.Application/Common/Services/BreadcrumbService.cs

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+using System.Collections.Generic;
+using ModernKeePass.Application.Common.Interfaces;
+using ModernKeePass.Application.Common.Models;
+
+namespace ModernKeePass.Application.Common.Services
+{
+    public class BreadcrumbService: IBreadcrumbService
+    {
+        private readonly Stack<BreadcrumbItem> _breadcrumb;
+
+        public BreadcrumbService()
+        {
+            _breadcrumb = new Stack<BreadcrumbItem>();
+        }
+
+        public void Push(BreadcrumbItem item)
+        {
+            _breadcrumb.Push(item);
+        }
+
+        public BreadcrumbItem Pop(int count = 1)
+        {
+            if (_breadcrumb.Count == 0) return null;
+            for (var i = 1; i < count; i++)
+            {
+                _breadcrumb.Pop();
+            }
+
+            return _breadcrumb.Pop();
+        }
+
+        public IEnumerable<BreadcrumbItem> GetItems()
+        {
+            return _breadcrumb;
+        }
+    }
+}