Initializez a virtualenv

def init(venv_name):
    """Initializez a virtualenv"""
    inenv = InenvManager()
    inenv.get_prepped_venv(venv_name, skip_cached=False)
    if not os.getenv(INENV_ENV_VAR):
        activator_warn(inenv)
    click.secho("Your venv is ready. Enjoy!", fg='green')