chore(version): upgrade version to v2.2.3 (#1958)

Author: hyrious

desktop/main-app/package.json

@@ -1,7 +1,7 @@
 {
   "name": "flat",
   "productName": "Flat",
-  "version": "2.2.2",
+  "version": "2.2.3",
   "private": true,
   "description": "",
   "homepage": "https://github.com/netless-io/flat",

docs/releases/v2.2.3/en.md

@@ -0,0 +1,17 @@
+## Features
+
+1. Support pencil drawing dotted line
+2. Support to launch APP to view playback by clicking the playback link in mobile terminal
+
+## Improved
+
+1. Screenshots pasted/dragged into the whiteboard will not be saved to the cloud
+2. Add the visual interaction of dragging files to the whiteboard
+3. Adjust the default font size of text tool
+
+## Fixed
+
+1. Add a new whiteboard page correction to show the first page of a new page
+2. Students may not be able to see the content of the whiteboard after entering the room before the teacher
+3. Abnormal display of cursor position after hiding the video area
+4. Room recording failed to open

docs/releases/v2.2.3/zh.md

@@ -0,0 +1,17 @@
+## 新增
+
+1. 支持铅笔画虚线
+2. 支持在移动端通过点击回放链接唤起 APP 查看回放
+
+## 优化
+
+1. 粘贴/拖拽到白板中的截图将不会保存到云盘
+2. 添加拖拽文件到白板中的可视化交互
+3. 调整文本工具默认字体大小
+
+## 修复
+
+1. 新增白板页面更正为显示新页面的第一页
+2. 学生先于老师进入房间后有概率看不到白板内容
+3. 隐藏视频区域后光标位置显示异常
+4. 房间录制开启失败