docs: modify features

Author: cloydlau

README.md

@@ -34,7 +34,7 @@
 - 3 edit modes: text mode & tree mode & table mode, 2-way binding
 - Handle large JSON documents up to 512 MB
 - Support `BigInt`
-- Support Vue 2.6/2.7/3
+- Vue 2.6/2.7/3 all-in-one
 - Support SSR (Nuxt 2/3)
 - Support Vite, Vue CLI, webpack, CDN...
 - Support microfrontends ([wujie](https://github.com/Tencent/wujie), [qiankun](https://github.com/umijs/qiankun), [single-spa](https://github.com/single-spa/single-spa)...)