Update nix, add grub themes

machines/fujin/main/default.nix

@@ -37,6 +37,15 @@
     };
   };
 
+  boot.loader.grub = {
+    minegrub-theme = {
+      enable = true;
+      splash = "100% Flakes!";
+      background = "background_options/1.8  - [Classic Minecraft].png";
+      boot-options-count = 10;
+    };
+  };
+
   networking = {
     nameservers = [
       "192.168.1.2" # PyHole

machines/fujin/main/dotfiles/.config/Code/User/settings.json

@@ -18,5 +18,6 @@
   "database-client.autoSync": true,
   "git.confirmSync": false,
   "java.jdt.ls.java.home": "/home/fujin/jdk/openjdk21",
-  "java.configuration.detectJdksAtStart": false
+  "java.configuration.detectJdksAtStart": false,
+  "workbench.colorTheme": "Visual Studio Dark"
 }