docs: fix AV.Conversation's api doc index generation

Author: aisk

src/conversation.js

@@ -4,13 +4,13 @@ const request = require('./request').request;
 const AV = require('./av');
 
 /**
- * @class AV.Conversation
  * <p>An AV.Conversation is a local representation of a LeanCloud realtime's
  * conversation. This class is a subclass of AV.Object, and retains the
  * same functionality of an AV.Object, but also extends it with various
  * conversation specific methods, like get members, creators of this conversation.
  * </p>
  *
+ * @class AV.Conversation
  * @param {String} name The name of the Role to create.
  * @param {Boolean} [options.isSystem] Set this conversation as system conversation.
  * @param {Boolean} [options.isTransient] Set this conversation as transient conversation.