Minor We should document how to use and customize nuxeo-actions-menu and create compatible actions. The info is currently available on quandora, so we should make it public:
- https://nuxeo.quandora.com/frontend/q/2f2adab7599e494abfe666944492e2fa/How-to-allow-actions-to-show-a-l
- https://nuxeo.quandora.com/frontend/q/db0eabe2eaf3411c9fac8c318a0f8155/How-to-customize-number-of-actions-in-action-menus
https://github.com/nuxeo/doc.nuxeo.com/blob/master/docs/writing-documentation.md#installation
