[Add-on] Database Notifications

[tabacitu]

Fresh out of the oven 🍞

https://github.com/pestopancake/laravel-backpack-database-notifications

I didn't get to give if a whirl yet, but at first look it looks useful and pretty well-made. Good work @pestopancake !

[tabacitu]

Todo:

• feature on https://backpackforlaravel.com/addons
• write an article about it on our Blog (asked in Excellent work! Let me know if you need me. pestopancake/laravel-backpack-database-notifications#10)
• tweet about it (waiting for a few README improvements)
• mention it in our next newsletter