Resolve "Neue HTML-Grundstruktur für Stud.IP"

app/controllers/settings/accessibility.php

db/migrations/1.150_help_tours_and_content.php

db/migrations/1.164_help_tours_en.php

db/migrations/5.1.12_biest_402.php

lib/classes/Context.php

lib/include/html_end.inc.php

lib/include/html_head.inc.php

lib/wiki.inc.php

package-lock.json

package.json

...ts/javascripts/ckeditor/plugins/studip-floatbar/plugin.js

public/index.php

resources/assets/javascripts/bootstrap/application.js

resources/assets/javascripts/bootstrap/copyable_links.js

resources/assets/javascripts/bootstrap/forms.js

resources/assets/javascripts/bootstrap/global_search.js

resources/assets/javascripts/bootstrap/header_magic.js

...es/assets/javascripts/bootstrap/personal_notifications.js

resources/assets/javascripts/bootstrap/resources.js

resources/assets/javascripts/bootstrap/sidebar.js