Add vite ssr in example

[jsun969]

instead of using nextJS maybe we can use vite with SSR, keep this repo simple, in fact, if this mismatch is resolved we probably don't have to worry about it too much by introducing SSR in this repo.

Originally posted by @bluebill1049 in https://github.com/react-hook-form/devtools/issues/162#issuecomment-1184210477