feat: add combat and deleveling AI

Client/Application/Services/EqualityConverter.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace Client.Application.Services
+{
+    public class EqualityConverter : IMultiValueConverter
+    {
+        public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (values.Length < 2)
+            {
+                return false;
+            }
+
+            var firstValue = values.First();
+            for (var i = 1; i < values.Length; i++)
+            {
+                if (!firstValue.Equals(values[i]))
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}