Add logo when the page is shared on Facebook

```gherkin
Given I share the link on Facebook
When I submit it
Then I should see the link with the CDL logo
```

![](https://www.evernote.com/shard/s89/sh/66d59f70-6826-4763-8a95-9f7887d9222f/cf2754ed5c97e54e2680426477b24352/deep/0/FMI%20Grupa%20135.png)

Using [OGP](http://ogp.me/#metadata)