add rideable to horse commented out until rideable is created

Author: Luciaw1219

src/main/java/com/zipcodewilmington/froilansfarm/Horse.java

@@ -1,6 +1,6 @@
 package com.zipcodewilmington.froilansfarm;
 
-public class Horse extends Animal {
+public class Horse extends Animal /*implements Rideable */{
 
     public void eat(/*Edible edible*/) {
         System.out.println("munch munch");