Added Stylix

hosts/common/optional/theming/targets/all-except-vscode.nix

@@ -0,0 +1,12 @@
+{
+  stylix.enable = true;
+
+  stylix.autoEnable = true;
+
+  home-manager.sharedModules = [
+    {
+      stylix.autoEnable = true;
+      stylix.targets.vscode.enable = false;
+    }
+  ];
+}

hosts/common/optional/theming/themes/tokyonight/default.nix

@@ -0,0 +1,19 @@
+{
+  pkgs,
+  system,
+  inputs,
+  ...
+}: {
+  stylix.enable = true;
+
+  stylix.image = ./wallpaper.jpg;
+
+  stylix.base16Scheme = "${pkgs.base16-schemes}/share/themes/tokyo-city-dark.yaml";
+
+  stylix.fonts = {
+    monospace = {
+      package = pkgs.fira-code-nerdfont;
+      name = "Fira Code Nerd Font";
+    };
+  };
+}