md添加hightlight支持。

package.json

@@ -29,6 +29,15 @@
     "vue-router": "^4.3.0"
   },
   "devDependencies": {
+    "@codemirror/lang-go": "^6.0.1",
+    "@codemirror/lang-html": "^6.4.9",
+    "@codemirror/lang-json": "^6.0.1",
+    "@codemirror/lang-markdown": "^6.3.2",
+    "@codemirror/lang-python": "^6.1.7",
+    "@codemirror/lang-sass": "^6.0.2",
+    "@codemirror/lang-vue": "^0.1.3",
+    "@codemirror/lang-xml": "^6.1.0",
+    "@codemirror/lang-yaml": "^6.1.2",
     "@element-plus/nuxt": "^1.1.1",
     "@types/bcryptjs": "^2.4.6",
     "@types/better-sqlite3": "^7.6.12",