Notification center

[lexoyo]

• [x] UI to show non-modal notifications
• [x] Command to add a notification: with status (pending, success, error), icon, CTA, details (logs)
• [ ] Command to update a notification
• [ ] use it in save status - Use https://github.com/orgs/silexlabs/projects/1
• [ ] use it in publish plugin
• [x] use it in link plugin
• [x] use it for errors

[lexoyo]

1473

[lexoyo]

Duplicate of #1467 => to be merged