@daniel, I have downloaded the Hola skeleton to have a look at it…
- Added user account
- Upgraded Grav + all packages
- In page
02.blog/blog.en.md
, I commented outvisible: false
- The ‘Blog’ menu-item becomes visible on the modular page’s menu.
- Click on ‘Blog’ menu-item
- Blog page is shown
- Click on ‘About’ menu-item
- ‘About’ sub-module is shown and the url is
http://localhost/grav/hola/#about
- ‘About’ sub-module is shown and the url is
Isn’t that what you’re after…