I haven't done it in years but I'm 87.4% certain that you can put a html file in the local folder and hardcode the relative paths. It requires some non-web software to populate it with data but since most of it is static it should work just fine?

I use to rip torrent websites by de-paginating their browsable tables of things to hold 2000 entries each and saving it as .html. The search engine got with some dumb ajax thingy that would just perform a full text search on the link.textContent.

small print: The browser would still "download" the files before you could open them in other applications.

But I'm not sure if this local file access "security hazard" got patched.