Add DDE.

00-backend/src/main/java/de/htwsaar/webshop/util/DanielDimensionException.java

@@ -0,0 +1,17 @@
+package de.htwsaar.webshop.util;
+
+public class DanielDimensionException extends RuntimeException {
+
+    public DanielDimensionException(String message) {
+        super(message);
+    }
+
+    public DanielDimensionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public DanielDimensionException(Throwable cause) {
+        super(cause);
+    }
+    
+}