Fix ToC

Fix weird navbar rendering.

Author: martincostello

docs/toc.yml

@@ -44,9 +44,6 @@
   - name: Behavior
     href: chaos/behavior.md
 
-- name: Use with F# and Visual Basic
-  href: use-with-fsharp-and-visual-basic.md
-
 - name: Advanced topics
   expanded: true
   items:
@@ -60,6 +57,8 @@
     href: advanced/performance.md
   - name: Testing
     href: advanced/testing.md
+  - name: Use with F# and Visual Basic
+    href: use-with-fsharp-and-visual-basic.md
 
 - name: Extensibility
   href: extensibility/index.md