go install github.com/ProgKea/lose@latest
lose -index <path> -serveAfter that lose will create a lose.index file and start a webserver on port 8080.
There is also an experimental fuzzy searching. It doesn't look for a exact term match but a fuzzy match:
- blog post explaining tfidf and cosine similarity: https://janav.wordpress.com/2013/10/27/tf-idf-and-cosine-similarity/
- snowball: https://github.com/snowballstem/snowball

