Support name and url as arguments

Hey,

Thanks for this project, it's awesome!

I'm trying to add it into my current projects. For example, loading [voll changelog](https://github.com/Kikobeats/voll/blob/master/CHANGELOG.md), this is the result:

This happenede because mi changelog doesn't have a header defined. I could do it, but this means I have to update +200 repositories!

Could be possible add `name` and `url` on the component arguments? Like:

```js
new LogLive({
el: '#app',
changelog: 'https://raw.githubusercontent.com/Kikobeats/voll/master/CHANGELOG.md',
name: 'voll',
url: 'https://voll.js.org'
})
```

Expected result: