Improve linter, formatter config

[rotu]

1. Streamline by switching eslint-config-atomic -> @typescript-eslint.
2. Allow prettier config to be run separately and use .prettierrc to ignore yaml and md files.
3. Bump prettier. Prettier 3 automatically ignores .gitignore'd files. Also prettier introduces a breaking change on nearly every release.

Note I did not migrate to eslint 9 with the new flat config setup, but it seems a reasonable next step.

[aminya]

Eslint-config-atomic already supports TypeScript and more underneath
https://github.com/atom-community/eslint-config-atomic/blob/master/src/typescript.cts

[rotu]

1. It also pulls in a ton of other stuff (including conflicting peer dependencies)
2. eslint-config-atomic is failing CI and I suspect it will have trouble with eslint 9.
3. It's not clear which rules are in use and why. ZeroMQ is not part of the Atom project.

What particular rules from eslint-config-atomic am I missing that add value?

[aminya]

Could you separate the Prettier change into a separate PR? I'm not sure if I want to downgrade the linter config from eslint-config-atomic.

[rotu]

Could you separate the Prettier change into a separate PR? I'm not sure if I want to downgrade the linter config from eslint-config-atomic.

I'll be happy to, eventually. Right now, this PR really still belongs in draft status.

I'm confused by the entanglement between prettier and eslint.

• This project previously had a direct dependency on prettier@^2.8.0 and indirect on prettier@^2.6.2 via eslint-config-atomic. Moving forward, how can we prevent these transitive dependencies from creeping in?