docs: improve README.md

README.md

@@ -1,3 +1,20 @@
 # bunbun
+> A simple and adorable sysinfo utility written in Rust.
 
-A simple and adorable sysinfo utility written in Rust.
+## Installation
+To build `bunbun`, you'll need [Rust](https://rust-lang.org) installed:
+```bash
+$ git clone https://git.devraza.duckdns.org/devraza/bunbun
+$ cd bunbun
+$ cargo build --release # `--release` adds a few optimisations
+```
+
+> **Using the flake!**
+> This repository contains a `flake.nix` - if you have Nix installed, you can run `nix run github:devraza/bunbun` to compile and run the program.
+
+## Inspiration
+- [Rosettea/bunnyfetch](https://github.com/Rosettea/bunnyfetch)
+- [elenapan's `bunnyfetch` script](https://github.com/elenapan/dotfiles/blob/master/bin/bunnyfetch)
+
+## License
+This project is covered by the [MIT License](./LICENSE).