Add the ability to open and control devtools using EnderFramework

[0xENDER]

Add a way to trigger the following functions within the webview:

<webview>.openDevTools();
<webview>.closeDevTools();
<webview>.isDevToolsOpened();
<webview>.isDevToolsFocused();
<webview>.inspectElement(x, y);
<webview>.inspectServiceWorker();