add theme file

flake.nix

@@ -28,8 +28,10 @@
       nixosConfigurations.nerv = nixpkgs.lib.nixosSystem {
         specialArgs = { inherit inputs; };
         modules = [
+          ./theme.nix
+          { config.theming.theme = "catppuccin-mocha"; }
           base16.nixosModule
-          { scheme = "${inputs.tt-schemes}/base16/${theme}.yaml"; }
+          ({ config, ... }: { scheme = "${config.theming.theme}"; })
           ./modules/hosts/nerv/configuration.nix
           home-manager.nixosModules.home-manager
           {
@@ -37,9 +39,10 @@
             home-manager.useUserPackages = true;
             home-manager.extraSpecialArgs = { inherit inputs; };
             imports = [
+              ./modules/home.nix
               ./modules/programs/emacs.nix
               ./modules/programs/niri.nix
-              ./modules/home.nix
+              ./modules/programs/foot.nix
             ];
           }
         ];