Resolve "Frontend for Models"

Closes #1 (closed)

aleksis/apps/lesrooster/frontend/components/timetable_management/TimetableManagement.vue

@@ -511,7 +511,7 @@ export default defineComponent({
     <v-row>
       <v-col cols="12" lg="8" xl="9">
         <div class="d-flex justify-space-between flex-wrap align-center">
-          <secondary-action-button i18n-key="IDK, ggf back??" />
+          <secondary-action-button i18n-key="lesrooster.timetable_management.back" />
 
           <v-spacer />