Add short description in README (#5)

### Checklist

* [x] I have read the [Contributor Guide](../../CONTRIBUTING.md)
* [x] I have read and agree to the [Code of
Conduct](../../CODE_OF_CONDUCT.md)
* [x] I have added a description of my changes and why I'd like them
included in the section below

### Description of Changes

Adds a short description of what I think is the intention of this crate,
and fixes the crates.io badge

README.md

@@ -12,13 +12,13 @@
 
 [![Embark](https://img.shields.io/badge/embark-open%20source-blueviolet.svg)](https://embark.dev)
 [![Embark](https://img.shields.io/badge/discord-ark-%237289da.svg?logo=discord)](https://discord.gg/dAuKfZS)
-[![Crates.io](https://img.shields.io/crates/v/rust-gpu.svg)](https://crates.io/crates/rust-gpu)
+[![Crates.io](https://img.shields.io/crates/v/boh.svg)](https://crates.io/crates/boh)
 [![Docs](https://docs.rs/boh/badge.svg)](https://docs.rs/boh)
 [![dependency status](https://deps.rs/repo/github/EmbarkStudios/boh/status.svg)](https://deps.rs/repo/github/EmbarkStudios/boh)
 [![Build status](https://github.com/EmbarkStudios/boh/workflows/CI/badge.svg)](https://github.com/EmbarkStudios/boh/actions)
 </div>
 
-**TODO**
+A small CLI that implement a subset of the commands from tools like gcloud and kubectl, that can be used without requiring a lot of dependencies like python.
 
 ## Contributing