Add project files.

Squiddler-Server/Serializable/Card.cs

@@ -0,0 +1,13 @@
+namespace Squiddler_Server.Serializable
+{
+    public struct Card
+    {
+        public string Text { get; set; }
+        public int Value { get; set; }
+        public Card(string text, int value)
+        {
+            Text = text;
+            Value = value;
+        }
+    }
+}