let's hope this doesn't break everything :3

modules/applications/default.nix

@@ -0,0 +1,25 @@
+{ lib, config, pkgs, ... }:
+let
+	cfg = config.modules.apps;
+in
+{
+	options.modules.apps = {
+		enable = lib.mkEnableOption "enable desktop applications";
+	};
+
+	imports = [
+		./firefox.nix
+		./git.nix
+		./kitty.nix
+		./zsh.nix
+	];
+
+	config = lib.mkIf cfg.enable {
+		modules.apps = { 
+			firefox.enable = true;
+			git.enable = true;
+			kitty.enable = true;
+			zsh.enable = true;
+		};
+	};
+}

modules/applications/firefox.nix

@@ -0,0 +1,17 @@
+{ lib, config, pkgs, ... }:
+let 
+	cfg = config.modules.apps.firefox;
+in
+{
+	options.modules.apps.firefox = {
+		enable = lib.mkEnableOption "enable firefox";
+	};
+
+	config = lib.mkIf cfg.enable {
+		programs.firefox = {
+			enable = true;
+			# TODO: add some default firefox settings
+		};
+	};
+
+}

modules/applications/git.nix

@@ -0,0 +1,34 @@
+{ lib, config, pkgs, ... }:
+let 
+	cfg = config.modules.apps.git;
+in
+{
+	options.modules.apps.git = {
+		enable = lib.mkEnableOption "enable git";
+		name = lib.mkOption {
+			example = "Jill Doe";
+			description = "the git user Name";
+			type = lib.types.str;
+		};
+		email = lib.mkOption {
+			example = "jilldoe@test.local";
+			description = "the git user Name";
+			type = lib.types.str;
+		};
+	};
+
+
+	config = lib.mkIf cfg.enable {
+		programs.git = {
+			enable = true;
+			userName = cfg.name;
+			userEmail = cfg.email;
+			extraConfig = {
+				init = { defaultBranch = "main"; };
+				safe.directory = "/etc/nixos";
+				pull.rebase = false;
+			};
+		};
+	};
+
+}

modules/applications/kitty.nix

@@ -0,0 +1,19 @@
+{ lib, config, pkgs, ... }:
+let 
+	cfg = config.modules.apps.kitty;
+in
+{
+	options.modules.apps.kitty = {
+		enable = lib.mkEnableOption "enable the kitty terminal emulator";
+	};
+
+	config = lib.mkIf cfg.enable {
+		programs.kitty = {
+			enable = true;
+			settings = {
+				confirm_os_window_close = 0;
+			};
+			shellIntegration.enableZshIntegration = true;
+		};
+	};
+}

modules/applications/zsh.nix

@@ -0,0 +1,36 @@
+{ lib, config, pkgs, ... }:
+let 
+	cfg = config.modules.apps.zsh;
+in
+{
+	options.modules.apps.zsh = {
+		enable = lib.mkEnableOption "enable zsh with oh-my-zsh";
+		enableAliases = lib.mkEnableOption "whether to enable shellAliases";
+	};
+
+	config = lib.mkIf cfg.enable {
+		programs.direnv = {
+			enable=true;
+			enableZshIntegration=true;
+			nix-direnv.enable=true;
+		};
+		programs.zsh = {
+			enable=true;
+			shellAliases = lib.mkIf cfg.enableAliases {
+				ll = "lsd -l";
+				lt = "lsd -l --tree";
+				update = "nix flake update --commit-lock-file $HOME/nixos && sudo nixos-rebuild switch --flake $HOME/nixos";
+			};
+			history = {
+				path = "${config.xdg.dataHome}/zsh/history";
+				size = 10000;
+			};
+			oh-my-zsh = {
+				enable = true;
+				plugins = [ "git" ];
+				theme = "frisk";
+			};
+		};
+	};
+
+}