Publish to crates.io

[fussybeaver]

Thanks for the work to put this project together.

I'd like to use this library to do some light parsing in my own open source project, to mitigate shortcomings in prost. However, this repo isn't uploaded to crates.io as far as I can see, which prevents me publishing my crate if I add tree-sitter-proto as a git dependency.

Also, would be grateful if the internal tree-sitter core library version is bumped if you do decide to publish.