window.open

Iframe can't log in with 1Password.
I would like to see support for window.open as well.

```javascript
window.ReactNativeWebView ? window.ReactNativeWebView.postMessage(r) : window.parent.postMessage(r, t)
```
↓
```javascript
window.ReactNativeWebView ? window.ReactNativeWebView.postMessage(r) : 
	window.opener ? window.opener.postMessage(r, t) :
	window.parent.postMessage(r, t)
```
