feat: 添加代码编辑器示例 (#1194)

src/views/system/role/index.vue

@@ -327,7 +327,7 @@ onMounted(() => {
   </div>
 </template>
 
-<style scoped lang="scss">
+<style lang="scss" scoped>
 :deep(.el-dropdown-menu__item i) {
   margin: 0;
 }