Missing <meta> in player.html

[ge-mehrdad]

Just like the older issue created here, #52
I'm facing the same issue where controls and details are too small on different devices

The fix is just the following meta tag inside the

<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">

This change would enable us to use loadDefaultPlayer() without needing to create a new HTML file and have that <meta> tag inside since we don't really need a custom player.