enable edits on conceptual content

docfx.json

@@ -120,7 +120,8 @@
         "docs-ref-autogen/**.yml": ["java"]
       },
        "open_to_public_contributors": {
-        "docs-ref-conceptual/**.md": false
+        "docs-ref-conceptual/**.md": true,
+        "docs-ref-services/**.md": true
       }
     },
     "template": [