Courseware - Änderung des Abschnittstyps ermöglichen

lib/classes/JsonApi/Routes/Courseware/ContainersUpdate.php

public/assets/images/icons/blue/column-full.svg

public/assets/images/icons/blue/column-half-centered.svg

public/assets/images/icons/blue/column-half.svg

public/assets/images/icons/white/column-full.svg

public/assets/images/icons/white/column-half-centered.svg

public/assets/images/icons/white/column-half.svg

resources/assets/stylesheets/scss/courseware.scss

.../vue/components/courseware/CoursewareContainerActions.vue

.../vue/components/courseware/CoursewareDefaultContainer.vue

...s/vue/components/courseware/CoursewareToolsBlockadder.vue