Switch to Bun for better build perf

[narthur]

Desiderata

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1. Make the switch?

https://bun.sh/blog/bun-v1.0

Currently we're using pnpm for dependency management and vite for the underlying build tooling. Bun could speed up these things significantly.

(I think also bun is what the cool kids use now.)

Verbata: node.js, deploys, package managers, npm, pnpm,

[narthur]

Seems like we should validate perf gains for anything we use bun for. Though using bun as our package manager could still be a quick win.

https://www.youtube.com/watch?v=EVMMoDWN79E

[dreeves]

I'm clueless but "bun" is an infinitely better name and faster deploys when publishing new posts or fixing typos would be awesome.