New PR ready for review which packages official Prettier plugins for #Nix!

https://github.com/NixOS/nixpkgs/pull/442943

Example usage;

```nix
pkgs.prettier.override {
plugins = with pkgs.prettier.plugins; [
prettier-plugin-ruby
# ...
];
}
```

prettier: Add official plugins by S0AndS0 · Pull Request #442943 · NixOS/nixpkgs

Main intent is to provide Prettier plugins for PR #442463 to consume. Prettier provides, at time of this commit, four official plugins. And there are about two dozen community plugins available to...

GitHub

Pull request to add Prettier plugins to Nix packages is updated!

Reviewer requested I switch from `node2nix` to packaging things properly, which made me un-issue my skillz

Plus much rebasing, and force pushing, was required x-]

But all but Ruby seem to be behaving themselves