Cleanup: remove unused default assets

Author: MatrixCQY

.gitignore

@@ -39,3 +39,6 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# trae ide
+.trae/

README.md

@@ -2,7 +2,7 @@
 
 **A professional Markdown editor designed for mathematics and coding.**
 
-[**🚀 Live Demo / 在线体验**](https://matrixcqy.github.io/traeweb1/)
+[**Live Demo / 在线体验**](https://matrixcqy.github.io/traeweb1/)
 
 ![MathStudio Preview](https://matrixcqy.github.io/traeweb1/preview-image-placeholder)
 *(Note: You can add a screenshot here later)*