update readme

Author: shalom-lab

README.md

@@ -2,10 +2,14 @@
 
 # 🎯 Easy Prompt
 
-<p align="center">
+<p align="center" style="display:none">
   <img src="icons/icon128.png" alt="Easy Prompt Logo" width="128" height="128">
 </p>
 
+<p align="center">
+  <img src="images/promotional_tile_large.png" alt="Easy Prompt Banner" width="100%">
+</p>
+
 A powerful browser extension that helps you save and quickly reuse prompts across various AI platforms.
 
 

README_CN.md

@@ -2,10 +2,14 @@
 
 # 🎯 Easy Prompt
 
-<p align="center">
+<p align="center" style="display:none">
   <img src="icons/icon128.png" alt="Easy Prompt Logo" width="128" height="128">
 </p>
 
+<p align="center">
+  <img src="images/promotional_tile_large.png" alt="Easy Prompt Banner" width="100%">
+</p>
+
 一个强大的浏览器扩展，帮助您保存和快速重用各种 AI 平台的提示词（Prompts）。
 
 [![GitHub release](https://img.shields.io/github/v/release/shalom-lab/easy-prompt?color=brightgreen)](https://github.com/shalom-lab/easy-prompt/releases)