Terminal 3D graphics demo in Rust

To run:

1. If you haven't used Rust before, install it (from https://rustup.rs/):

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh

2. Clone + run:

git clone https://github.com/jarredbarber/forbidden-donut.git
cd forbidden-donut
cargo run --release