docs: unsupported volar 2.x

Author: sxzz

docs/guide/getting-started.md

@@ -9,7 +9,8 @@ We assume you are already familiar with the basic usages of Vue before you conti
 - Node.js 16.14.0 or higher.
 - Vue >= 2.7 or Vue >= 3.0.
   - Some features need Vue >= 3.2.25.
-- VSCode with the **latest** [Vue Language Features (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) extension.
+- VSCode installed the [Vue Language Features (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) **v1.8.27** (the latest v1) extension.
+  - ❌ Considering that v2 is not yet stable and some issues remain unresolved, plus adapting to 2.x would mean an almost irreversible upgrade for Vue Macros, we've decided not to support 2.x at this time. In other words, we will continue to support v1.
   - ❌ WebStorm is not supported.
 
 ## Creating a Vue Macros Project

docs/zh-CN/guide/getting-started.md

@@ -9,7 +9,8 @@ Vue Macros 是一个库，用于实现尚未被 Vue 正式实现的提案或想
 - Node.js 16.14.0 或更高
 - Vue >= 2.7 或 Vue >= 3.0
   - 某些功能需要 Vue >= 3.2.25
-- VSCode 安装了 [Vue Language Features (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) 扩展
+- VSCode 安装了 [Vue Language Features (Volar)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) **v1.8.27**（最新的 v1）扩展
+  - ❌ 考虑到 2.x 版本尚未稳定，还有一些问题未被解决。并且适配 2.x 对 Vue Macros 几乎是不可逆的升级。所以我们决定目前不兼容 2.x，換而言之，我们依然支持 1.x。
   - ❌ 不支持 WebStorm
 
 ## 搭建第一个 Vue Macros 项目