confy VS syntect

I'd really recommend confy! It does exactly what you seem to want and supports YAML, TOML, and RON :)

I use confy for persisted data (just the token and high score for now) because I don't know the best practices for where to put those kinds of files, which stores it as TOML.

Confy might do it for you : https://github.com/rust-cli/confy

Zola (https://www.getzola.org/) can generate from markdown-ish files nice looking documentation websites (and also RSS feeds), it uses syntect (https://github.com/trishume/syntect) which supports sublime syntax highlight files. For github readme I don't have a solution besides using a png.

Syntax highlighting: https://github.com/trishume/syntect

I wonder if a plugin integrating syntect would be possible.

I love that idea! I think there might be a better way than just hardcoding all the comment types for all the languages, though. I'm using the syntect library which will parse the code based on syntax files, so I opened an issue there to see if they have anything that could help.

Very recently, I stumbled onto a library called syntect, which is a syntax highlighting library, and I got interested in the project because it promises to be really fast.