Add Romanian Language files for bones #446

## Story

```gherkin
As a Romanian developer
I want to have Bones in Romanian
So that i can read the dashboard in my native language
```

## Scenarios

```gherkin
Scenario: Read Bones backend in Romanian
Given i am a Romanian WP Developer
And i am using Bones
When  I am on dashboard
Then  the language should be Romanian
```

## Solution

Create `ro-Ro` files needed for Romanian translation