add products taxonomy URI (dotnet#150)

Author: sudeepku

dotnet/docfx.json

@@ -61,6 +61,9 @@
       "searchScope": [".NET"],
       "ms.topic": "managed-reference",
       "ms.prod": "dotnet-ml-api",
+      "products": [
+        "https://authoring-docs-microsoft.poolparty.biz/devrel/08606f2f-3c25-4e53-8851-28888c60aeed"
+        ],
       "feedback_system": "GitHub",
       "feedback_github_repo": "dotnet/machinelearning",
       "feedback_product_url": "https://github.com/dotnet/machinelearning",