Add privacy page

[bricel]

in footer:

https://shoov.io/privacy
https://docs.google.com/document/d/1D9JyAtZbuyeO9DSqzqOjrNNmkA-r37l5JcRr2AK_HvY/edit#

[YaronMiro]

@bricel
I can take this one if It's still relevant ?
BTW I think this issue belongs to this repository - Shoov drupal site