docs: add release note for v1.6.8

website/blog/2023-04-02-v1.6.8.md

@@ -0,0 +1,14 @@
+---
+title: Release Note v1.6.8
+authors: moonrailgun
+image: /img/logo.svg
+slug: release-1.6.8
+keywords:
+  - tailchat
+tags: [Release Note]
+---
+
+- Optimize the performance of the emoji panel and reconstruct the rendering method of a single emoticon.
+- Modified the style of url in the message, adding a dotted underline for emphasis
+- Added a send button, when there is content in the message input box, the + sign will be turned into a send button, optimizing the experience of sending messages on the mobile terminal
+- Fix some copywriting errors, fix the avatar path parsing error, and fix the error of nesting page when entering a path without a protocol header on the web panel

website/i18n/zh-Hans/docusaurus-plugin-content-blog/2023-04-02-v1.6.8.md

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+---
+title: 版本发布日志 v1.6.8
+authors: moonrailgun
+image: /img/logo.svg
+slug: release-1.6.8
+keywords:
+  - tailchat
+tags: [版本发布]
+---
+
+- 优化表情面板性能，重构单个表情的渲染方式。
+- 修改了消息中url的样式，增加了点状下划线用于强调
+- 增加了发送按钮，当消息输入框内有内容时会将 + 号变成发送按钮，优化移动端发送消息体验
+- 修复部分文案错误，修复头像路径解析错误，修复网页面板输入不带协议头的路径会套娃的错误