Clarify hosting requirements for static assets (#4)

* Clarify hosting requirements for static assets

Only the service worker script has to be hosted on the HTML page's origin. All other scripts can be hosted on other origins.

* Web workers also have to be same origin

* Make it clear that other scripts can be hosted anywhere

README.md

@@ -253,7 +253,7 @@ To load Partytown with just HTML, the library script below should be added withi
 <!--End Partytown-->
 ```
 
-Note that the loaded script _must_ be hosted from the same origin as the HTML page, rather than a CDN. Additionally, the Partytown library should be hosted from its own dedicated root directory `/~partytown/`. This root directory becomes the [scope](https://developers.google.com/web/ilt/pwa/introduction-to-service-worker#registration_and_scope) for the service worker, and all client-side requests within that path are intercepted by Partytown.
+Note that both the web worker script and the service worker script _must_ be hosted from the same origin as the HTML page, rather than a CDN. Additionally, the service worker must be hosted from a directory that ensures all HTML pages are within the [scope](https://developers.google.com/web/ilt/pwa/introduction-to-service-worker#registration_and_scope) for the service worker, so that all client-side requests from those pages are intercepted by Partytown. All other scripts can be hosted on any origin.
 
 With scripts disabled from executing, the Partytown library can lazily begin loading and executing the scripts from inside a worker.