README.md: add x-cmd install steps

Byron / dua-cli

View disk space usage and delete unwanted data, fast.

https://lib.rs/crates/dua-cli

MIT License

4.17k stars 113 forks source link

Closed lunrenyi closed 2 months ago

lunrenyi commented 2 months ago

Hi, I've added instructions on how to install dua using x-cmd to the README file.

x-cmd is a toolbox for Posix Shell, offering a lightweight package manager built using shell and awk.
```
x env use dua
```