feat: 增加聊天记录导入导出清空的功能 (#369)

* feat: 增加聊天记录导入导出功能

* feat: 添加日期和图标

* perf: 移除触发事件改为 reload

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Co-authored-by: Nine9 <germmc99@gmail.com>
Co-authored-by: ChenZhaoYu <790348264@qq.com>

src/utils/functions/index.ts

@@ -0,0 +1,7 @@
+export function getCurrentDate() {
+  const date = new Date()
+  const day = date.getDate()
+  const month = date.getMonth() + 1
+  const year = date.getFullYear()
+  return `${year}-${month}-${day}`
+}