docs: update header

README.md

@@ -1,7 +1,11 @@
-# Custom UI Style
-
-<a href="https://marketplace.visualstudio.com/items?itemName=subframe7536.custom-ui-style" target="__blank"><img src="https://img.shields.io/visual-studio-marketplace/v/subframe7536.custom-ui-style.svg?color=eee&amp;label=VS%20Code%20Marketplace&logo=visual-studio-code" alt="Visual Studio Marketplace Version" /></a>
-<a href="https://kermanx.github.io/reactive-vscode/" target="__blank"><img src="https://img.shields.io/badge/made_with-reactive--vscode-%23007ACC?style=flat&labelColor=%23229863"  alt="Made with reactive-vscode" /></a>
+<p align="center">
+  <img height="128" src="./res/icon.png"></img>
+  <h1 align="center">Custom UI Style</h1>
+  <p align="center">
+    <a href="https://marketplace.visualstudio.com/items?itemName=subframe7536.custom-ui-style" target="__blank"><img src="https://img.shields.io/visual-studio-marketplace/v/subframe7536.custom-ui-style.svg?color=eee&amp;label=VS%20Code%20Marketplace&logo=visual-studio-code" alt="Visual Studio Marketplace Version" /></a>
+    <a href="https://kermanx.github.io/reactive-vscode/" target="__blank"><img src="https://img.shields.io/badge/made_with-reactive--vscode-%23007ACC?style=flat&labelColor=%23229863"  alt="Made with reactive-vscode" /></a>
+  </p>
+</p>
 
 VSCode extension that custom ui css style in both editor and webview