refactor(flake-parts): initial flake-parts configuration

inputs/system/modules/base/displayManager/default.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ./tuigreet
+  ];
+}

inputs/system/modules/base/displayManager/tuigreet/default.nix

@@ -0,0 +1,30 @@
+{ pkgs, lib, config, ... }:
+let
+  inherit (lib) mkIf;
+  tuigreet = "${pkgs.greetd.tuigreet}/bin/tuigreet";
+  host = config.systemModules.host;
+in
+{
+  config = mkIf (host.type != "phone") {
+    services.greetd = {
+      enable = true;
+      settings = {
+        default_session = {
+          command = "${tuigreet} --time --remember --cmd Hyprland"; # TODO: dont hardcode this
+          user = "greeter";
+        };
+      };
+    };
+
+    systemd.services.greetd.serviceConfig = {
+      Type = "idle";
+      StandardInput = "tty";
+      StandardOutput = "tty";
+      StandardError = "journal"; # Without this errors will spam on screen
+      # Without these bootlogs will spam on screen
+      TTYReset = true;
+      TTYVHangup = true;
+      TTYVTDisallocate = true;
+    };
+  };
+}