rework internal order system

frontend/src/types/ausruestungsanfrage.types.ts

@@ -5,6 +5,7 @@
 export interface AusruestungKategorie {
   id: number;
   name: string;
+  parent_id?: number | null;
   erstellt_am?: string;
 }
 
@@ -134,3 +135,10 @@ export interface AusruestungOverview {
   unhandled_count: number;
   total_items: number;
 }
+
+export interface AusruestungWidgetOverview {
+  total_count: number;
+  pending_count: number;
+  approved_count: number;
+  unhandled_count: number;
+}