fix(packages): create proprietary vpn category

ansible/parse_arch_packages.py

@@ -35,6 +35,7 @@ def output_packages(packages_tree, aur_filter: bool = False):
 def cli():
     parser = argparse.ArgumentParser(description='Optional app description')
     parser.add_argument('categories', type=str, help="Categories to include, all for all")
+    # for now, category must refer to first level nodes
     parser.add_argument('--aur', action='store_true', help="Also output AUR packages")
     args = parser.parse_args()