Let users accept/reject cookies and display the <script> tags in site/snippets/cookies_accepted.php conditionally.
Simply insert <?php snippet('kookie') ?> and you're good to go.
# site/config/config.php
return [
'medienbaecker.kookie.color' => '#000000',
'medienbaecker.kookie.background-color' => '#ffffff',
'medienbaecker.kookie.color-accept' => '#ffffff',
'medienbaecker.kookie.background-color-accept' => '#000000',
'medienbaecker.kookie.color-reject' => '#ffffff',
'medienbaecker.kookie.background-color-reject' => '#777777',
'medienbaecker.kookie.text' => 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
'medienbaecker.kookie.link' => 'privacy',
'medienbaecker.kookie.linkText' => 'Learn more',
'medienbaecker.kookie.accept' => 'Accept',
'medienbaecker.kookie.reject' => 'Reject',
]