docs: tencent cloud lighthouse (#354)

添加使用腾讯云轻量应用服务器的应用模板部署的文档。

/kind documentation

```release-note
None
```

sidebars.js

@@ -38,6 +38,14 @@ module.exports = {
             "getting-started/install/helm",
             "getting-started/install/podman",
             "getting-started/install/jar-file",
+            {
+              type: "category",
+              label: "云平台",
+              link: {
+                type: "generated-index",
+              },
+              items: ["getting-started/install/cloud/tencent-cloud-lighthouse"],
+            },
             {
               type: "category",
               label: "其他指南",