Update docfx.json

Author: dend

docs/docfx.json

@@ -10,9 +10,21 @@
           "**/obj/**",
           "vsdocsdocs/**",
           "**/includes/**",
-          "missingapi.yml"
+          "missingapi.yml",
+          "toc.yml",
+          "toc.md"
         ]
       },
+      {
+        "files": [
+          "toc.yml",
+          "toc.md"
+        ],
+        "exclude": [
+          "_breadcrumb/**"  
+        ],
+        "dest": "vs_docs_toc"
+      },
       {
         "files": [
           "toc.yml"