if the user types in just tldr only to have no output generated. We could output something like this:
Usage: tldr [OPTIONS] COMMAND [ARGS]...
A python client for tldr: simplified and community-driven
man pages.
Options:
-V, --version Show the version and exit.
-h, --help Show this message and exit.
Commands:
find Find the command usage.
init Init config file.
update Update to the latest pages.
This is what the python client does, or we could simply invoke tldr tldr