Migrated from import based to config based

modules/system/applications/common.nix

@@ -0,0 +1,34 @@
+{ pkgs, config, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.settings.applications.common;
+in {
+  options = {
+    settings.applications.common.enable = lib.mkOption {
+      type = lib.types.bool;
+      description = ''
+        Enable common applications
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      usbutils
+      tree
+      fastfetch
+      btop
+      git
+      yazi
+
+      just
+    ];
+
+    environment.pathsToLink = [ "/share/zsh" ];
+
+    programs.zsh.enable = true;
+    users.defaultUserShell = pkgs.zsh;
+  };
+}