Merge branch 'dev' into 'main'

.eslintrc.js

package.json

src/App.vue

src/components.d.ts

src/components/BreadCrumbs.vue

src/components/CoscineFormGroup.vue

src/components/CoscineHeadline.vue

src/components/DevFooter.vue

src/components/ExpiryToast.vue

src/components/LoadingIndicator.vue

src/components/Navbar.vue

src/components/SidebarMenu.vue

src/components/banner/Maintenance.vue

src/components/banner/Pilot.vue

src/i18n/de.ts

src/i18n/en.ts

src/modules/admin/AdminModule.vue

src/modules/admin/pages/Admin.vue

src/modules/admin/routes.ts

src/modules/error/ErrorModule.vue