doc: update dev info

Author: alexiscolin

README.md

@@ -1,6 +1,23 @@
 # Vue 3 + TypeScript + Vite
 
-This template should help get you started developing with Vue 3 and TypeScript in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
+## ⚙️ Development
+
+Install latest version `pnpm` and restart your terminal if necessary.
+
+### Install
+
+Install all packages in the repository.
+
+```
+pnpm i
+```
+
+### Dev
+
+```
+pnpm dev
+```
+
 
 ## Recommended IDE Setup