feat!: dynamically create hosts

This commit completely restructures the flake. Hosts are now seperate
from profile configuration files in hosts/[system]. Nixos and Darwin
configurations will be built when present in the respective folders in hosts/

hosts/nixos/iso/default.nix

@@ -0,0 +1,70 @@
+{ self, inputs, config, pkgs, lib, modulesPath, ... }:
+let
+  pubKeys = lib.filesystem.listFilesRecursive "${self}/secrets/keys/ssh";
+in
+{
+
+  imports = [
+
+    inputs.lanzaboote.nixosModules.lanzaboote
+    inputs.disko.nixosModules.disko
+    inputs.impermanence.nixosModules.impermanence
+    inputs.sops-nix.nixosModules.sops
+    "${modulesPath}/installer/cd-dvd/installation-cd-minimal.nix"
+    "${modulesPath}/installer/cd-dvd/channel.nix"
+
+    "${self}/profiles/iso//minimal.nix"
+
+  ];
+
+
+  isoImage = {
+    makeEfiBootable = true;
+    makeUsbBootable = true;
+    squashfsCompression = "zstd -Xcompression-level 3";
+  };
+
+  nixpkgs = {
+    hostPlatform = lib.mkDefault "x86_64-linux";
+    config.allowUnfree = true;
+  };
+
+  services.getty.autologinUser = lib.mkForce "swarsel";
+
+  users = {
+    groups.swarsel = { };
+    users = {
+      swarsel = {
+        name = "swarsel";
+        group = "swarsel";
+        isNormalUser = true;
+        shell = pkgs.zsh;
+        password = "setup"; # this is overwritten after install
+        openssh.authorizedKeys.keys = lib.lists.forEach pubKeys (key: builtins.readFile key);
+      };
+      root = {
+        shell = pkgs.zsh;
+        password = lib.mkForce config.users.users.swarsel.password; # this is overwritten after install
+        openssh.authorizedKeys.keys = config.users.users.swarsel.openssh.authorizedKeys.keys;
+      };
+    };
+  };
+
+  systemd = {
+    services.sshd.wantedBy = lib.mkForce [ "multi-user.target" ];
+    targets = {
+      sleep.enable = false;
+      suspend.enable = false;
+      hibernate.enable = false;
+      hybrid-sleep.enable = false;
+    };
+  };
+
+  system.stateVersion = lib.mkForce "23.05";
+
+  networking = {
+    hostName = "live";
+    wireless.enable = false;
+  };
+
+}