docs: add sharing documentation

Author: ScriptedAlchemy

apps/website-new/docs/en/configure/_meta.json

@@ -29,6 +29,11 @@
     "name": "shared",
     "label": "Shared"
   },
+  {
+    "type": "file",
+    "name": "advanced-sharing",
+    "label": "Advanced Sharing"
+  },
   {
     "type": "file",
     "name": "runtimeplugins",