docs: add docs for installation with 1Panel (#200)

增加使用 1Panel 进行部署的文档。

Fixes #199 

```release-note
None
```

versioned_sidebars/version-2.3-sidebars.json

@@ -19,6 +19,7 @@
           "items": [
             "getting-started/install/docker-compose",
             "getting-started/install/docker",
+            "getting-started/install/1panel",
             {
               "type": "category",
               "label": "其他指南",
@@ -199,4 +200,4 @@
     },
     "about"
   ]
-}
+}