refactor(flake): move nixos configs into flake

configs/programs/ags.nix

@@ -1,22 +0,0 @@
-{ inputs, pkgs, ... }:
-{
-  home-manager.users.rafiq = {
-    imports = [ inputs.ags.homeManagerModules.default ];
-
-    # Expose the cli tools to the home environment
-    home.packages = [ inputs.ags.packages.${pkgs.stdenv.hostPlatform.system}.io ];
-
-    programs.ags = {
-      enable = true;
-      configDir = ./ags; # ~/.config/ags
-      systemd.enable = false;
-
-      # The module only includes the core astal3, astal4 and astal-io libraries
-      extraPackages = with pkgs; [
-        # add packages to runtime
-        # inputs.ags.packages.${pkgs.system}.battery
-        # fzf
-      ];
-    };
-  };
-}