Return a list of directories where templates may be located.

def _get_template_dirs(type="plugin"):
    """Return a list of directories where templates may be located.
    """
    template_dirs = [
        os.path.expanduser(os.path.join(USER_CONFIG_DIR, "templates", type)),
        os.path.join("rapport", "templates", type)  # Local dev tree
    ]
    return template_dirs