organized some files and modularized

dot_config/flake/modules/nixos/boot.nix

@@ -0,0 +1,20 @@
+{pkgs, ...}: {
+  # Bootloader
+  boot = {
+    loader = {
+      timeout = 0;
+      systemd-boot = {
+        enable = true;
+        configurationLimit = 5;
+      };
+
+      efi.canTouchEfiVariables = true;
+    };
+
+    plymouth = {
+      enable = true;
+      themePackages = [pkgs.catppuccin-plymouth];
+      theme = "catppuccin-macchiato";
+    };
+  };
+}