Refactor codebase to use nix modules

hmModules/services/widgets/ags/default.nix

@@ -0,0 +1,25 @@
+{ config, inputs, pkgs, lib, ... }:
+{
+
+  options.ags = {
+    enable = lib.mkEnableOption "Enable ags";
+  };
+
+  imports = [ inputs.ags.homeManagerModules.default ];
+
+  config = lib.mkIf config.ags.enable {
+    home.packages = with pkgs; [
+      libnotify # Notifications through ags
+    ];
+    programs.ags = {
+      enable = true;
+      configDir = ./config;
+
+      extraPackages = with pkgs; [
+        gtksourceview
+        webkitgtk
+        accountsservice
+      ];
+    };
+  };
+}