docs: add emoji in changelog

CHANGELOG.md

@@ -1,38 +1,47 @@
-# Changelog
+# 📝 Changelog
 
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
-## [Unreleased]
+## [0.4.3] - 2023-04-26
+### 🛠️ Changed
+- Improve website SEO
+- Update `README.md`
+
+### ✨ Added
+- Add developer guide
+
+### 🐞 Fixed
+- Typo in the settings page
 
 ## [0.4.2] - 2023-04-22
-### Changed
+### 🛠️ Changed
 - Update settings about page link icons
 - Improve the stability of the Azure speech synthesis service
 - i18n of the input panel
 
 ## [0.4.1] - 2023-04-19
 
-### Added
+### ✨ Added
 - Allow user to set access code to protect the app (#61) 
 - Add change log
 
 ## [0.4.0] - 2023-04-17
-### Added
+### ✨ Added
 - Support multiple conversions
 - Allow to change OpenAI model
 
-### Fixed
+### 🐞 Fixed
 - Hide button when text is selected
 
 ## [0.3.0] - 2023-04-10
-### Added
+### ✨ Added
 - Add replay button
 - Support local hi
 - Supports saving chat records locally
 
-### Fixed
+### 🐞 Fixed
 - Hide keyboard on mobile when user send a message
 - Fix bug when using environment variables to set OpenAI Key
 - Cannot delete message error