Create and return the jinja environment.

        This will create the environment based on the
        :attr:`jinja_options` and configuration settings. The
        environment will include the Quart globals by default.

def create_jinja_environment(self) -> Environment:
        """Create and return the jinja environment.

        This will create the environment based on the
        :attr:`jinja_options` and configuration settings. The
        environment will include the Quart globals by default.
        """
        options = dict(self.jinja_options)
        if 'autoescape' not in options:
            options['autoescape'] = self.select_jinja_autoescape
        if 'auto_reload' not in options:
            options['auto_reload'] = self.config['TEMPLATES_AUTO_RELOAD'] or self.debug
        jinja_env = self.jinja_environment(self, **options)
        jinja_env.globals.update({
            'config': self.config,
            'g': g,
            'get_flashed_messages': get_flashed_messages,
            'request': request,
            'session': session,
            'url_for': url_for,
        })
        jinja_env.filters['tojson'] = tojson_filter
        return jinja_env