added display in file

src/main/resources/displayOfGroceryList.txt

@@ -0,0 +1,24 @@
+
+name: Bread				seen: 6 times
+------------------------------------------
+Price: 1.23				 seen: 6  times
+==========================================
+name: Milk				seen: 6 times
+------------------------------------------
+Price: 3.23				 seen: 5  times
+==========================================
+name: Apples				seen: 4 times
+------------------------------------------
+Price: 0.25				 seen: 2  times
+==========================================
+Price: 0.23				 seen: 2  times
+==========================================
+name: Cookies				seen: 8 times
+------------------------------------------
+Price: 2.25				 seen: 8  times
+==========================================
+
+Errors: 4 times
+
+
+------------------------------------------