Add no index no follow to docfx.json

Author: mattwojo

docs/docfx.json

@@ -48,6 +48,7 @@
       "author": "michael-hawker",
       "ms.author": "mhawker",
       "ms.date": "09/23/2021",
+      "ROBOTS": "NOINDEX, NOFOLLOW",
       "breadcrumb_path": "/windows/communitytoolkit/breadcrumb/toc.json",
       "extendBreadcrumb": true
     },