added console application

Memory.Logic/Card.cs

@@ -0,0 +1,20 @@
+namespace Memory.Logic
+{
+    public class Card(int id)
+    {
+        public int ID { get; } = id;
+        public bool IsChoice1 { get; set; } = false;
+        public bool IsChoice2 { get; set; } = false;
+        public bool Completed { get; set; } = false;
+
+        public bool Matches(Card card)
+        {
+            return ID == card.ID;
+        }
+
+        public bool Selected()
+        {
+            return IsChoice1 || IsChoice2;
+        }
+    }
+}