added card

api-uno/src/main/java/bzh/sudchat/uno/exceptions/CardNotFoundException.java

@@ -0,0 +1,12 @@
+package bzh.sudchat.uno.exceptions;
+
+public class CardNotFoundException extends RuntimeException {
+    public CardNotFoundException(String message) {
+        super(message);
+    }
+
+    public CardNotFoundException(int id) {
+        super("Card with id " + id + " not found");
+    }
+
+}