[x] Should describe what popular crate authors should do to support wasm (eg, have wasm-bindgen et al as an optional dependency that is enabled when targeting wasm32-u-u)
[x] Describe which kinds of crates will work out of the box as dependencies when targeting wasm32-u-u (no C deps, no file I/O or system calls, etc)
[x] Should describe what popular crate authors should do to support wasm (eg, have wasm-bindgen et al as an optional dependency that is enabled when targeting wasm32-u-u)
[x] Describe which kinds of crates will work out of the box as dependencies when targeting wasm32-u-u (no C deps, no file I/O or system calls, etc)