#801 Link the dive-in-browser demo from the docs nav

Surface the WebAssembly dive demo (published to /experiments/dive-web) as a
top-level menu entry after Release Notes.

Author: gunnarmorling

docs/mkdocs.yml

@@ -52,6 +52,7 @@ nav:
     - API Changes: /api-changes/latest/
   - Contributing: contributing.md
   - Release Notes: release-notes.md
+  - dive on the Web: /experiments/dive-web/
 
 theme:
   name: material