doc: update README

Author: alex3236

README.md

@@ -1,14 +1,16 @@
-# 此插件目前不推荐使用，仅供实验性测试
-
 **中文** | [English](README_en.md)
 
 # Better_Backup
 
+> [!WARNING]
+> Better Backup 目前正处于试验阶段。强烈建议您不要在生产环境使用，并做好重要数据备份。
+> 在报告问题前，请留意您正使用的是否为最新版本。
+
 一个高效备份回档、更少磁盘占用、避免重复文件的 MCDR 插件。
 
 ![image](https://github.com/z0z0r4/better_backup/assets/45303195/1f586ea7-a7f2-456d-bc19-09eade53f798)
 
-> ⚠️ **警告：**  
+> [!IMPORTANT]
 > v2.0.0 起使用 SQlite 不兼容以前版本的 JSON 备份数据  
 > v2.1.0 起使用 xxHash 不兼容以前版本的哈希数据  
 > **请使用[迁移脚本](https://github.com/z0z0r4/better_backup/blob/main/scripts/migrate.py)，或在旧版本提前清除 `better_backup` 文件夹内所有数据**

README_en.md

@@ -2,11 +2,15 @@
 
 # Better_Backup
 
+> [!WARNING]
+> Better Backup is currently in an experimental phase. It is strongly recommended that you do not use it in a production environment and do backup important data.
+> Before reporting a problem, please make sure you are using the latest version.
+
 An MCDR plugin for efficient backup and restore, with less disk usage and no duplicate files.
 
 ![image](https://github.com/z0z0r4/better_backup/assets/45303195/f96d023b-007f-433a-bca9-fec4283e9d6f)
 
-> ⚠️ **Warning:**  
+> [!IMPORTANT]
 > Version >=2.0.0 does not compatible with old JSON backup data from previous versions.  
 > Version >=2.1.0 does not compatible with old HASH data from previous versions.  
 > **Please [migrate](https://github.com/z0z0r4/better_backup/blob/main/scripts/migrate.py), or clear all data in `better_backup`before updating**.