Updated Chinese translations (#2711)

Minor improvement on Chinese translation

src/partials/languages/zh.html

@@ -43,6 +43,6 @@
   "source.link.title": "前往 GitHub 仓库",
   "source.revision.date": "最后更新",
   "source.file.date.updated": "最后更新",
-  "source.file.date.created": "已建立",
+  "source.file.date.created": "创建日期",
   "toc.title": "目录"
 }[key] }}{% endmacro %}