update comment for CreateIndex

Author: automvc

src/main/java/org/teasoft/beex/osql/mongodb/CreateIndex.java

@@ -23,8 +23,10 @@
  * Create index and drop indexes.
  * @author Kingstar
  * @since  2.1
- * for Sharding 
- * @since  2.5.0
+ * For Sharding.
+ * <br>If collectionName(table name) end with '[$#(index)#$]', will process as sharding full mode; 
+ * <br>It will be executed on all nodes.  
+ * @since  2.5.2
  */
 public interface CreateIndex {