[react-frontend] - Utility function - Object to QueryString

Create a function that takes following arguments:

- "options" (type: "hash", optional, defaultValue: {} )

and returns stringified version of options hash (using [qs](https://www.npmjs.com/package/qs) package):

Use the following options with `qs` package:

```
{
encode: true,
arrayFormat: "brackets",
addQueryPrefix: true
}
```