Create an admin interface

[douglascorrea]

And make it easy to add new features on it

[prescottprue]

Interested in helping implement this and have tons of experience building admin interfaces for Firebase apps/platforms.

[douglascorrea]

Hi @prescottprue, I will definitelly take a look on your Fireadmin. But feel free to push a PR with admin.

I was thinking in something that makes easy to add new entities to admin and also let users add images and files using storage, but we can going step by step