public static <T> Logger.Builder addObjectFormatter(Class<T> objectClass,
                                                      ObjectFormatter<? super T> objectFormatter) {
    return new Logger.Builder().addObjectFormatter(objectClass, objectFormatter);
  }
Start to customize a {@link Logger} and add an object formatter for specific class of object.

@param objectClass     the class of object
@param objectFormatter the object formatter to add
@param <T>             the type of object
@return the {@link Logger.Builder} to build the {@link Logger}
@since 1.1.0
xlog/src/main/java/com/elvishew/xlog/XLog.java