new hooks useScript and useAttributes

useScript

const src = "https://code.jquery.com/jquery-3.6.0.min.js";
cons done = ()=> console.log( $ );
const status = useScript(src, done);

where:

1. src: javascript type resource to inject into document.head
2. done: optional , callback when called at the end of the script load
3. status: script load status

useAttributes

const attrs = useAttributes();

Where:

1. attrs: all the attributes defined on the webcomponent but that are not props, to facilitate reading this hook transforms the index to camelCase