Remove Cargo.toml project /target recursively

that's it.

1. Find out Cargo.toml and its target dir
2. remove the target dirs
3. STORAGE! MOAR SPACE!

I tried to be careful but use at your own risk

It's ordinary Rust program so cargo run would work;
but It's also using Dioxus so you can refer to its

• dx serve for dev,
• dx bundle for making installable something