Add spacing in the text in the notifications page

![Screenshot from 2020-01-15 02-21-00](https://user-images.githubusercontent.com/5816027/72407304-ddaf3000-373d-11ea-89dd-4a21918c422c.png)

Probably need to edit[this](https://github.com/IvanDerlich/Fakebook/blob/211cc755c737825befe65190e5e1a9570ac87948/app/views/notifications/_notifications.html.erb#L1) file