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

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

@@ -0,0 +1,16 @@
+{ lib, ... }:
+
+{
+  imports = [ ./systemd ./plymouth ];
+
+  options.systemModules = {
+    bootloader = {
+      systemd = {
+        enable = lib.mkEnableOption "Enable systemd bootloader module";
+      };
+    };
+    plymouth = {
+      enable = lib.mkEnableOption "Enable plymouth bootscreen";
+    };
+  };
+}

inputs/system/modules/base/bootloader/grub/default.nix

@@ -0,0 +1 @@
+## to be implemented

inputs/system/modules/base/bootloader/plymouth/default.nix

@@ -0,0 +1,15 @@
+{ lib, config, pkgs, ... }:
+
+let
+  cfg = config.systemModules.plymouth;
+in
+
+{
+  config = lib.mkIf cfg.enable {
+    boot.plymouth = {
+      enable = true;
+      themePackages = [(pkgs.catppuccin-plymouth.override {variant = "mocha";})];
+      theme = "catppuccin-mocha";
+    };
+  };
+}

inputs/system/modules/base/bootloader/systemd/default.nix

@@ -0,0 +1,18 @@
+{ lib, config, ... }:
+
+let
+  inherit (lib) mkIf;
+  host = config.systemModules.host;
+in
+
+{
+  config = mkIf (host.type != "phone") {
+    boot.loader = {
+      systemd-boot = {
+        enable = true;
+        consoleMode = "max";
+      };
+      efi.canTouchEfiVariables = true;
+    };
+  };
+}