Figure out a way to index storage-finder

Our current search plugin, [docusaurus-lunr-search](https://github.com/praveenn77/docusaurus-lunr-search) only crawls `.markdown` `div`'s. The storage finder data is in JSON files and served by JSX, so we need to figure out a way to index it. 

Tangential discussion from https://github.com/NYU-RTS/rts-docs/pull/281 to be resolved later.