fix changelog

Author: roseduan

CHANGELOG.md

@@ -4,11 +4,18 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
-## [1.0.0] - 2022-05-10
+## [1.0.0] - 2022-05-08
 
 ### 🚀 Features
 
 - Support `String`, `List`, ` Hash`, ` Set`, and `ZSet`
+  - see [supported commands in Redis](https://github.com/flower-corp/rosedb/wiki/Commands)
+
 - Logfile garbage collection automatically
+  - see option `LogFileGCRatio` and `LogFileGCInterval`
+
 - Support standard `FileIO` and `MMap`
+- Support different index mode
+  - `KeyOnlyMemMode`: only store keys in memory and values are in disk
+  - `KeyValueMemMode`: both keys and values will store in memory