mantou

I hope import-map can provide a [Subpath patterns](https://nodejs.org/api/packages.html#subpath-patterns) function similar to node exports, so that I can run the module in the browser without adding the `.js` suffix myself.

MacBook Pro (13-inch, 2017, Two Thunderbolt 3 ports) Chrome 105.0.5159.0 My computer performance is relatively poor. When I run tetanes and nes-rust in the same environment, nes-rust takes less CPU...

https://lukeworks.tech/tetanes-web When it is less than 60fps, the sound will be stuck(When my computer is busy working or open Devtoos). Can it be solved by expanding the size of Audio...

Is the memory copy [here](https://github.com/lukexor/tetanes/blob/main/web/src/lib.rs#L56) more expensive than the [previous ptr](https://github.com/lukexor/tetanes/blob/v0.8.0/tetanes-web/src/lib.rs#L84)?

~how support javascript decorators for production build~ esbuild target: es2022

@shortcuts this pr can merge?