myawesomecli env info
myawesomecli env clean
myawesomecli env ...

myawesomecli database create-table <name>
myawesomecli database insert <entry>
myawesomecli database ...

import click
@click.version_option(version='0.1 ')
def cli():
    pass

@cli.command()
@click.argument('option')
def env(option):
    if option == 'info':
        click.echo("run env info command")
    elif option == 'clean':
        click.echo("run env clean command")
    ...

@cli.command()
@click.argument('option')
def database(option):
    if option == 'create-table':
        click.echo("run database create-table command")
    elif option == 'clean':
        click.echo("run database clean command")
    ...