Fix STATUS.md: added service worker, disconnected operation; performance improved
See STATUS.md > Current implementation and limitations: _"
- Disconnected operation is not supported.
- Notifications are not implemented.
- Performance is poor"_
[A venir] Mise en place de quotas sur nos instances GitLab. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
[Coming soon] Quotas installation on our GitLab instances. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
See STATUS.md > Current implementation and limitations: _"