Probably a known thing for those already working with wasm but I had to install the rust nightly compiler and add the `wasm32-unknown-unknown` target to get thi

Probably a known thing for those already working with wasm but I had to install the rust nightly compiler and add the `wasm32-unknown-unknown` target to get this demo to work. It would be worth mentioning on the demo walkthrough. This link was helpful: https://www.hellorust.com/setup/wasm-target/ https://www.hellorust.com/setup/wasm-target/