fix: cn format (#1631)

* fix: format

* add file

Author: Chasen-Zhang

docs/cn/tutorials/connect/connect-to-databend-bendsql.md

@@ -2,6 +2,7 @@
 title: "使用 BendSQL 连接私有化部署的 Databend"
 sidebar_label: "连接私有化部署的 Databend（BendSQL）"
 slug: /
+---
 
 import StepsWrap from '@site/src/components/StepsWrap';
 import StepContent from '@site/src/components/Steps/step-content';

docs/cn/tutorials/programming/_category_.json

@@ -0,0 +1,3 @@
+{
+  "label": "编程语言"
+}