add profiler subservice to docfx.json

Author: hhunter-ms

docfx.json

@@ -844,6 +844,7 @@
         "articles/azure-monitor/change/*.md": "change-analysis",
         "articles/azure-monitor/containers/**/*.md": "containers",
         "articles/azure-monitor/essentials/**/*.md": "essentials",
+        "articles/azure-monitor/profiler/**/*.md": "profiler",
         "articles/azure-monitor/snapshot-debugger/**/*.md": "snapshot-debugger",
         "articles/azure-monitor/*.md": "general",
         "articles/azure-monitor/insights/**/*.md": "insights",