fisharebest/webtrees

<?= json_encode((object) [
    'name'             => 'webtrees',
    'short_name'       => 'webtrees',
    'description'      => 'webtrees online genealogy',
    'scope'            => '/',
    'start_url'        => '/',
    'background_color' => '#fff',
    'theme_color'      => '#2694e8',
    'display'          => 'standalone',
    'icons'            => [(object) [
        'src'   => asset('favicon-192.png'),
        'sizes' => '192x192',
        'type'  => 'image/png',
    ]],
], JSON_THROW_ON_ERROR) ?>