update readme

Author: Sebi Nemeth

README.md

@@ -1,4 +1,9 @@
-# Live Translator Plugin for Vue 2
+# Live Translator Plugin
+> [!WARNING]  
+> Plugin has been updated to Vue 3 only. To use with Vue 2 please use the legacy `vue2` branch.
+
+## Demo
+Find a live demo app at: [https://apicore-engineering.github.io/vue-i18n-live-translator-plugin/](https://apicore-engineering.github.io/vue-i18n-live-translator-plugin/)
 
 ## Install
 ```bash
@@ -7,10 +12,9 @@ npm i -s https://github.com/apicore-engineering/vue-i18n-live-translator-plugin
 
 ## Use
 ```typescript
-import LiveTranslatorPlugin, { TranslationMeta } from 'vue-i18n-live-translator-plugin'
+import { LiveTranslatorPlugin, TranslationMeta } from 'vue-i18n-live-translator-plugin'
 
 Vue.use(LiveTranslatorPlugin, {
-    i18n,
     translationLink (meta: TranslationMeta) {
         return '' // your platform-specific link to the translation software
     },
@@ -37,4 +41,7 @@ npm install
 ```
 ```bash
 husky install
+```
+```bash
+npm run dev # demo & dev app with vite
 ```