feat(cli): Better organized CLI arg parsing

cli/commands/config.py

@@ -0,0 +1,21 @@
+import argparse as ap
+
+
+def add_parser(sp: ap._SubParsersAction[ap.ArgumentParser]):
+    config = sp.add_parser(
+        "config", help="prints information about your config and change some of them"
+    )
+    conf_sp = config.add_subparsers(title="config options", dest="conf", required=True)
+    conf_sp.add_parser("show", help="show config options")
+    config_update = conf_sp.add_parser(
+        "update", help="update the configuration from various"
+    )
+    conf_update_sp = config_update.add_subparsers(
+        title="Options for automatic configuration updates",
+        dest="conf_update",
+        required=True,
+    )
+    conf_update_sp.add_parser(
+        "pkgs",
+        help="Update the config to reflect the package state of the current system",
+    )