Update README.md

README.md

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 # Trude's Dotfiles
 
+This repository hosts my personal dotfiles. 
+The install script works on Linux and macOS.
+All configuration is done through home-manager.
+If you want to use this repository, I recommend forking it and editing home.nix to your liking.
+
 **Run `./install.sh`.**
 
 ## Dependencies
 -   Nix (installed automatically)
 
 ## Custom commands
-
 -   `extract` Extract compressed files
 -   `update` Update Nix and the OS.
+
+## Tested on:
+- macOS 14
+- Debian Bookworm
+- Fedora Worstation 39