Update and rename README_en.md to README.md

Pleasurecruise · web-flow · commit 25a5cf84c27e · 2025-03-18T16:17:04.000+08:00
diff --git a/README.md b/README.md
@@ -1,5 +1,5 @@
 # University of Nottingham Ningbo Campus Wall
-🌏 [中文](/README.md) | English
+🌏 English | [中文](/README_ch.md)
 
 ## Project Overview
 
