feat (language): 支持 CSS 语言

Author: qianmoQ

README.md

@@ -26,6 +26,7 @@ CodeForge 是一款轻量级、高性能的桌面代码执行器，专为开发
 - **C**
 - **Clojure**
 - **C++**
+- **CSS**
 - **Go**
 - **Groovy**
 - **HTML**

package.json

@@ -12,6 +12,7 @@
   "dependencies": {
     "@babel/runtime": "^7.28.2",
     "@codemirror/lang-cpp": "^6.0.3",
+    "@codemirror/lang-css": "^6.3.1",
     "@codemirror/lang-go": "^6.0.1",
     "@codemirror/lang-html": "^6.4.9",
     "@codemirror/lang-java": "^6.0.2",