Link updates

Author: Mikejo5000

docs/profiling/index.yml

@@ -71,6 +71,8 @@ landingContent:
             url: use-file-io.md
           - text: Database
             url: analyze-database.md
+          - text: Benchmark.NET
+            url: profiling-with-benchmark-dotnet.md
           - text: Events Viewer
             url: events-viewer.md
           - text: .NET Async