Use open source feedback control (#9623)

Author: gewarren

docfx.json

@@ -51,10 +51,17 @@
       "ms.topic": "managed-reference",
       "ms.service": "dotnet-api",
       "products": ["https://authoring-docs-microsoft.poolparty.biz/devrel/7696cda6-0510-47f6-8302-71bb5d2e28cf"],
-      "feedback_system": "Standard",
+      "feedback_system": "OpenSource",
+      "feedback_github_repo": "dotnet/dotnet-api-docs",
       "feedback_product_url": "https://aka.ms/feedback/report?space=61",
       "feedback_help_link_url": "https://learn.microsoft.com/answers/tags/97/dotnet",
       "feedback_help_link_type": "get-help-at-qna",
+      "open_source_feedback_contributorGuideUrl": "https://learn.microsoft.com/contribute/content/dotnet/api-documentation",
+      "open_source_feedback_issueTitle": "",
+      "open_source_feedback_issueUrl": "https://github.com/dotnet/dotnet-api-docs/issues/new",
+      "open_source_feedback_productLogoLightUrl": "https://learn.microsoft.com/media/logos/logo_net.svg",
+      "open_source_feedback_productLogoDarkUrl": "https://learn.microsoft.com/media/logos/logo_net.svg",
+      "open_source_feedback_productName": ".NET",
       "defaultDevLang": "csharp",
       "_op_documentIdPathDepotMapping": {
         "api/": {