feat(backend): Inventar (Modul 24)

EquipmentModule (GET/POST /equipment, GET/PATCH /equipment/:id) fuer
Ausruestungsgegenstaende (Inventarnummer, Bezeichnung, Hersteller,
Kaufdatum, Zustand, Standort, Wartungsdatum). Neues Prisma-Modell
Equipment (Migration equipment).

ApiCore-Backend/src/app.module.ts

@@ -24,6 +24,7 @@ import { ExportModule } from './export/export.module';
 import { QrModule } from './qr/qr.module';
 import { ProductsModule } from './products/products.module';
 import { BottlingModule } from './bottling/bottling.module';
+import { EquipmentModule } from './equipment/equipment.module';
 import { JwtAuthGuard } from './auth/guards/jwt-auth.guard';
 import { RolesGuard } from './auth/guards/roles.guard';
 
@@ -53,6 +54,7 @@ import { RolesGuard } from './auth/guards/roles.guard';
     QrModule,
     ProductsModule,
     BottlingModule,
+    EquipmentModule,
   ],
   controllers: [],
   providers: [