Set library & settings through URL [Feature]

[thysultan]

For example:

https://codepan.js.org/#/?npm=react&format=html,css

Initialize with the react package from npm and display just the html & css panels.

BTW nice work on this 👍

[egoist]

Now you can use ?npm=react/dist/react.js&show=js,console

[thysultan]

Thanks.