update docs

Author: kazupon

README.md

@@ -103,9 +103,9 @@ See the [`examples`](https://github.com/intlify/vue-i18n-next/tree/master/exampl
 The examples are offered in the following two API styles:
 
 - composition
-  - Examples using the new vue-i18n API for Vue 3 Composition API
+  - Examples using the new Vue I18n API for Vue 3 Composition API
 - legacy
-  - Examples using the vue-i18n API that are almost compatible with vue-i18n v8.x
+  - Examples using the Vue I18n API that are almost compatible with Vue I18n v8.x
 
 
 ## :package: Main Packages

docs/guide/advanced/optimization.md

@@ -97,6 +97,12 @@ The build will work without configuring these flags, however it is **strongly re
 - Rollup: use [@rollup/plugin-replace](https://github.com/rollup/plugins/tree/master/packages/replace)
 - Vite: configured by default, but can be overwritten using the [`define` option](https://github.com/vitejs/vite/blob/a4133c073e640b17276b2de6e91a6857bdf382e1/src/node/config.ts#L72-L76)
 
+:::tip NOTE
+If you are using Vite, you can do the same thing by specifying the option in the [plugin provided officially](https://github.com/intlify/vite-plugin-vue-i18n).
+
+Also, if you are using the Vue CLI, you can use the [officially provided plugin](https://github.com/intlify/vue-cli-plugin-i18n) to optimize the settings in `vue.config.js`.
+:::
+
 :::tip NOTE
 The replacement value **must be boolean literals** and cannot be strings, otherwise the bundler/minifier will not be able to properly evaluate the conditions.
 :::