add aliases for subcommands

TODO.md

@@ -7,4 +7,3 @@
 - tutorial
 - remove "Arch" references
 - update README for subcommands "group", "package"
-- add shortcuts for subcommands

crates/pacdef_core/src/args.rs

@@ -58,6 +58,7 @@ fn get_group_cmd() -> Command {
     Command::new("group")
         .arg_required_else_help(true)
         .about("TODO????")
+        .visible_alias("g")
         .subcommand_required(true)
         .subcommands([edit, import, list, new, remove, show])
 }
@@ -76,6 +77,7 @@ fn get_package_cmd() -> Command {
     Command::new("package")
         .arg_required_else_help(true)
         .about("TODO????")
+        .visible_alias("p")
         .subcommand_required(true)
         .subcommands([clean, review, unmanaged, search, sync])
 }