New: Maintenance API

coscine/issues#2439

src/components/banner/Maintenance.vue

@@ -25,7 +25,7 @@
 import { defineComponent } from "vue";
 // import the main store
 import useMainStore from "@/store/index";
-import type { MaintenanceReturnObject } from "@coscine/api-client/dist/types/Coscine.Api.Notices";
+import type { MaintenanceDto } from "@coscine/api-client/dist/types/Coscine.Api";
 
 export default defineComponent({
   setup() {
@@ -34,7 +34,7 @@ export default defineComponent({
   },
 
   computed: {
-    maintenance(): MaintenanceReturnObject {
+    maintenance(): MaintenanceDto {
       return this.mainStore.coscine.banner.maintenance;
     },
     visibility(): boolean {