Add references to corresponding amount converter classes to JavaDocs of amount representation enum

Author: apankowski

joda-money/src/main/java/com/fasterxml/jackson/datatype/jodamoney/AmountRepresentation.java

@@ -10,13 +10,17 @@ public enum AmountRepresentation {
      * Decimal number representation, where amount is (de)serialized as decimal number equal
      * to {@link org.joda.money.Money Money}'s amount, e.g. {@code 12.34} for
      * {@code Money.parse("EUR 12.34")}.
+     *
+     * @see DecimalNumberAmountConverter
      */
     DECIMAL_NUMBER,
 
     /**
      * Decimal string representation, where amount is (de)serialized as string containing decimal
      * number equal to {@link org.joda.money.Money Money}'s amount, e.g. {@code "12.34"} for
      * {@code Money.parse("EUR 12.34")}.
+     *
+     * @see DecimalStringAmountConverter
      */
     DECIMAL_STRING,
 
@@ -25,6 +29,8 @@ public enum AmountRepresentation {
      * to {@link org.joda.money.Money Money}'s amount expressed in minor currency unit, e.g.
      * {@code 1234} for {@code Money.parse("EUR 12.34")}, {@code 12345} for
      * {@code Money.parse("KWD 12.345")} or {@code 12} for {@code Money.parse("JPY 12")}.
+     *
+     * @see MinorCurrencyUnitAmountConverter
      */
     MINOR_CURRENCY_UNIT,
 }