#354 Start Adding Java docs

feature-toggle/src/main/java/com/iluwatar/featuretoggle/user/User.java

@@ -1,13 +1,25 @@
 package com.iluwatar.featuretoggle.user;
 
+/**
+ * Used to demonstrate the purpose of the feature toggle. This class actually has nothing to do with the pattern.
+ */
 public class User {
 
   private String name;
 
+  /**
+   * Default Constructor setting the username.
+   *
+   * @param name {@link String} to represent the name of the user.
+   */
   public User(String name) {
     this.name = name;
   }
 
+  /**
+   * {@inheritDoc}
+   * @return The {@link String} representation of the User, in this case just return the name of the user.
+   */
   @Override
   public String toString() {
     return name;