Multiple options with `-p` alias

[clabe45]

shulkr --help
Usage: shulkr [OPTIONS] [VERSIONS]...

  Generate multiple versions of the Minecraft source code

Options:
  -h, --help                    Show this message and exit
  -p, --mappings [yarn|mojang]  Mappings for deobfuscation (defaults to
                                'yarn')
  -p, --repo PATH               Path to the Minecraft repo (defaults to the
                                current working directory)
  -m, --message TEXT            Commit message template (defaults to 'version
                                {}')
  -T, --no-tags                 Do not tag commits
  -u, --undo-renamed-vars       Revert local variables that were renamed in
                                new versions to their original names
                                (experimental)