feat(docs): add guest manager documentation

Author: YanLien

docs/design/guest/config/_category_.json

@@ -0,0 +1,8 @@
+{
+  "label": "客户机配置",
+  "position": 3,
+  "link": {
+    "type": "generated-index",
+    "slug": "/category/design/guest/config"
+  }
+}