Add releases with the wasm build

[jeff-hykin]

I'd like to use the wasm version of this (client side in a browser) to highlight code.

I can build the wasm myself (and I do) but my version is effectively always out of date. I'd really appreciate it if there were releases of the wasm builds that I could easily pull.

A versioning scheme for releases was discussed:

If we started cutting releases the wasm grammar could be uploaded to the github releases API.

To do that we'd have to figure out a version number scheme. I'd suggest something like:

${tree-sitter.major}.${tree-sitter.minor}.${patch}

major.minor would indicate tree-sitter compatibility & patch would be an incrementing counter indicating the release of tree-sitter-nix.

that would work perfectly for me and (as someone who maintains a tree sitter library API) I greatly appreciate the versioning being tied to the tree sitter version.