add /network reference to menu

Author: guimachiavelli

config/sidebar-reference.json

@@ -28,6 +28,11 @@
         "label": "Multi-search",
         "slug": "multi_search"
       },
+      {
+        "source": "reference/api/network.mdx",
+        "label": "Network",
+        "slug": "network"
+      },
       {
         "source": "reference/api/similar.mdx",
         "label": "Similar documents",