Text Decoration Property
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| Reporting a bug or issue
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Hi, i'm trying to use the textDecoration property to set underline to a text contained in a button.
The button is made using a `<Text />` element with the appropriate styles. First I tried to add the property to the root like this `<Text  style={{ textDecoration: 'underline' }}>some text</Text>` but it didn't work. Proceeded to separate the styles and try to style directly the children but no luck.

I also couldn't see the support of the property in here:
http://airbnb.io/react-sketchapp/docs/styling.html

**Expected behavior:**

![screen shot 2017-07-06 at 10 34 16 am](https://user-images.githubusercontent.com/4756314/27924597-bbd099b2-6236-11e7-9e08-2e9746b2483e.png)


**Observed behavior:**

![screen shot 2017-07-06 at 10 34 28 am](https://user-images.githubusercontent.com/4756314/27924614-c40c06d4-6236-11e7-8926-9666c7c33af2.png)


**How to reproduce:**
```js
const Button = ({ text, style }) => {
  return (
    <Text
      style={style}
      name="container"
    >
      <Text style={{ textDecoration: 'underline'}}>
        {text}
      </Text>
    </Text>
  );
};
```

**Sketch version:**
44.1
