feat(nixos:appearance): move appearance options to nixos

nixos/modules/theme/minimal.nix

@@ -0,0 +1,41 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (config.ooknet.appearance) theme;
+
+  generatedWallpaper = import ./generatedWallpaper.nix {inherit config pkgs;} {};
+in {
+  config = mkIf (theme == "minimal") {
+    ooknet.appearance = {
+      fonts = {
+        monospace = {
+          family = "JetBrainsMono Nerd Font";
+          package = pkgs.nerdfonts.override {fonts = ["JetBrainsMono"];};
+        };
+        regular = {
+          family = "Fira Sans";
+          package = pkgs.fira;
+        };
+      };
+
+      cursor = {
+        name = "Bibata-Modern-Ice";
+        package = pkgs.bibata-cursors;
+        size = 22;
+      };
+
+      wallpaper = {
+        path = "${generatedWallpaper}";
+      };
+
+      colorscheme = {
+        name = "hozen";
+        variant = "dark";
+      };
+    };
+  };
+}