Fuck wasm-pack

I started packaging ente with nix for self-hosting purposes. Over the week that I spent languishing in yarn lock hell a new beast reared its head: the Ente team pushed their rust core to prod. `rust-core` was a good excuse to learn how to package with crane, but in the course of `rust-wasm` an enemy from earlier in the year reared its head: wasm-pack. The binary insists on downloading wasm-opt and wasm-bindgen on its own; it spits in the face of your toolchain. People have been complaining about this since 2020: