Add uutils (#508)

This is the WIP coreutils rewrite in Rust, that recently sparked a controversy, because it was picked up by Canonical for internal Ubuntu releases. In addition to the visible Claude commits, there is good reason to believe, the lead developer is using it locally.

Reviewed-on: https://codeberg.org/small-hack/open-slopware/pulls/508
Reviewed-by: JesseBot <jessebot@noreply.codeberg.org>

README.md

@@ -940,6 +940,7 @@ This section is strictly for software implementing a core set of UNIX-like utili
 | Name | Last Untainted Version or Commit ID | Tags and Evidence | Alternative(s) |
 |---|:---:|---|---|
 | [plan9port](https://9fans.github.io/plan9port/) | [`0155f29`](https://github.com/9fans/plan9port/commit/0155f29bdc3cf0cab017fd7b33bf9e93cb9af64c) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/9fans/plan9port/pull/748)) | [9base](https://tools.suckless.org/9base/) |
+| [uutils](https://uutils.github.io/) | [![Request for Help](./badges/request-for-help.svg)](#request-for-help) | [![Permissive AI policy](./badges/permissive-ai-policy-orange.svg)](#permissive-ai-policy) ([1](https://github.com/uutils/coreutils/pull/11717), [2](https://github.com/uutils/coreutils/commit/6e18efb218dbd4d7ad7441d255d02fb0c1df4bf0) [3](https://github.com/uutils/coreutils/pull/11918#issuecomment-4284527284)) <br> [![AI Code Reviews](./badges/ai-code-reviews-purple.svg)](#ai-code-reviews) ([1](https://github.com/uutils/coreutils/pull/7266), [2](https://github.com/uutils/coreutils/pull/10505), [3](https://github.com/uutils/coreutils/pulls?q=copilot)) | GNU coreutils, [Busybox](https://busybox.net/), [sbase](https://git.suckless.org/sbase/file/README.html) |
 
 ## System Services and Daemons