Switch / update to a static build with Vite for the viewer app

[hoeck]

The current benchmark viewer uses unpkg.com to load its dependencies. That was the easiest solution for me at the time I wrote it (a time where huge webpack configs, commonsj modules and long builds were still the norm 😁 ).

Atm. unpgk.com has long loading times and even timeouts so the benchmark viewer does not work properly, see #1731 (comment)

Whenever I deploy a small app to Github pages these days I'm using a simple static build with Vite using the official github example example. Works without any flaws.

Lets do that for the benchmark viewer too?!

@moltar @DarkGL please 👍 or 👎 or comment so I can start working on a PR.

[DarkGL]

Lets go!