docs: update README to support Fedora, Ubuntu, and Arch Linux installations

README.md

@@ -1,27 +1,26 @@
 # Setup
 
-This dotfiles is intended to be used with NixOS 24.05
-Please install a clean version of NixOS GNOME and then follow the steps below.
+This dotfiles is intended to be used with either Fedora 40>, Ubuntu 20.04> or Arch Linux.
+Please install a clean version of either distro with GNOME and then follow the steps below.
 
 ## Installation
 
-### 0. Install NixOS
+### 0. Install distro
 
-Download the latest NixOS ISO from the [NixOS website](https://nixos.org/download.html) and write it to a USB stick.
-I'd recommend getting the GNOME version as it's easier to setup and you can select minimal from the installer anyway if you want to just setup a headless server.
+Download the latest ISO from your desired distro and write it to a USB stick.
+I'd recommend getting the GNOME version as it's easier to setup unless you're planning on setting up a server, in that case I recommend getting the server ISO for the specific distro.
 
 #### Note: If you intend on using a desktop environment you should select the GNOME version as this dotfiles repository expects the GNOME desktop environment for various configurations
 
 ### 1. Clone dotfiles to home directory
 
-Open a nix-shell with git and begin the setup process. This setup will prompt you various questions such as your desired hostname and if the system you are installing is supposed to be a server or workstation.
+Open a shell and begin the setup process. This setup will prompt you various questions such as your desired hostname and if the system you are installing is supposed to be a server or workstation.
 
 Feel free to use an exisiting hostname to restore an old system or chose a new name.
 
-If you are running this in a VM be sure to answer yes if it prompts you. This will ensure it generates the correct boot loader configuration.
+If you are running this in a VM be sure to answer yes if it prompts you.
 
 ```bash
-nix-shell -p git
 curl -L https://df.mvl.sh | bash
 ```
 
@@ -65,9 +64,7 @@ You should now have a fully setup system with all the configurations applied.
 Here are some paths that contain files named after the hostname of the system.
 If you add a new system you should add the relevant files to these paths.
 
-- `nconfig/nixos/hardware/`: Contains the hardware configurations for the different systems.
 - `config/ssh/authorized_keys`: Contains the public keys per hostname that will be symlinked to the `~/.ssh/authorized_keys` file.
-- `config/nixos/flake.nix`: Contains an array `nixosConfigurations` where you should be adding the new system hostname and relevant configuration.
 - `config/home-manager/flake.nix`: Contains an array `homeConfigurations` where you should be adding the new system hostname and relevant configuration.
 
 ### Adding a new system