TYPO3 pagination widget without a controller

Demo.html

<h1>{title}</h1>

<f:widget.paginate objects="{content}" as="paginatedContent" configuration="{itemsPerPage: 2}">
    <ul>
        <f:for each="{paginatedContent}" as="content">
            <li>{content.data.uid} {content.data.CType}</li>
        </f:for>
    </ul>
</f:widget.paginate>

realurl_conf.php

<?php
$GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['realurl'] = array(
    '_DEFAULT' => array(
        'init' => array(
            'enableCHashCache' => 1,
            'appendMissingSlash' => 'ifNotFile',
            'enableUrlDecodeCache' => 1,
            'enableUrlEncodeCache' => 1,
            'postVarSet_failureMode' => '',
        ),
        'redirects' => array(),
        'preVars' => array(
            array(
                'GETvar' => 'no_cache',
                'valueMap' => array(
                    'nc' => 1,
                ),
                'noMatch' => 'bypass',
            ),
            array(
                'GETvar' => 'L',
                'valueMap' => array(
                    # 'de' => '0',
                    'en' => '1',
                ),
                'valueDefault' => 'de',
                'noMatch' => 'bypass',
            ),
        ),
        'pagePath' => array(
            'type' => 'user',
            'userFunc' => 'EXT:realurl/class.tx_realurl_advanced.php:&tx_realurl_advanced->main',
            'spaceCharacter' => '-',
            'languageGetVar' => 'L',
            'expireDays' => 7,
            'rootpage_id' => 1,
            'firstHitPathCache' => 1,
        ),
        'fixedPostVars' => array(),
        'postVarSets' => array(
            '_DEFAULT' => array(
                'page' => array(
                    array(
                        'GETvar' => 'tx_website_gridtile[@widget_0][currentPage]',
                    ),
                ),
            ),
        ),
    ),
);

Setup.ts

lib.contentElement {
    templateRootPaths {
        200 = EXT:website/Resources/Private/Templates/
    }
}

tt_content {
    website_gridtile < lib.contentElement
    website_gridtile {
        templateName = Demo

        dataProcessing {
            10 = TYPO3\CMS\Frontend\DataProcessing\DatabaseQueryProcessor
            10 {
                table = tt_content
                where.data = field:uid
                orderBy = sorting
                as = content
            }
        }

        extbase {
            pluginName = Demo
            controllerName = Demo
            controllerExtensionName = website
            controllerActionName = show
        }
    }
}

config.no_cache = 1
config.tx_realurl_enable = 1