Optional fuzzy search support using fzf

[salim-b]

You changed the default Hugo version listing order (which I appreciate!) in v0.6.0 and it was discussed that neither order makes everyone happy.

I recently discovered the awesome fzf tool (also written in Go). Apparently it allows to be used as some kind of drop-in enhancement for menu lists like hvm's Hugo release version – at least this appears to be what the gh install extension is doing (try out gh install with and without fzf installed to feel for yourself the ease fzf introduces in such selections).

I haven't looked into any technical details but simply wanted to drop this observation here as a possible feature request in case you're interested. 🙂

Addendum from the fzf 0.52.0 release notes:

The code was heavily refactored to allow using fzf as a library in Go programs. The API is still experimental and subject to change.

https://gist.github.com/junegunn/193990b65be48a38aac6ac49d5669170