Updated note on asdf

Author: Kalle Fagerberg

src/content/docs/setup/install.mdx

@@ -205,12 +205,18 @@ pkg install kubecolor
 
 ## asdf
 
+[![asdf package](https://img.shields.io/github/v/release/kubecolor/kubecolor?label=asdf&color=4cc61f)](https://github.com/kubecolor/kubecolor/releases/latest)
+
 For users using the [asdf](https://github.com/asdf-vm/asdf) package manager.
 
 ```sh
 asdf install kubecolor latest
 ```
 
+In [asdf-plugins](https://github.com/asdf-vm/asdf-plugins/blob/master/plugins/kubecolor)
+this refers to [dex4er/asdf-kubecolor](https://github.com/dex4er/asdf-kubecolor),
+which in turn just uses the latest version of kubecolor from our GitHub releases.
+
 ## aqua
 
 [![aqua version](https://img.shields.io/badge/dynamic/yaml?url=https%3A%2F%2Fgithub.com%2Faquaproj%2Faqua-registry%2Fraw%2F8c9f102b42aa88fde6cc649269b57875556f9c9c%2Fpkgs%2Fkubecolor%2Fkubecolor%2Fpkg.yaml&query=%24.packages%5B0%5D.name&label=aqua&color=4cc61f)](https://github.com/aquaproj/aqua-registry/blob/main/pkgs/kubecolor/kubecolor/pkg.yaml)