history service, mail template improved, general listing entry

bizmatch/src/app/app.routes.ts

@@ -1,6 +1,8 @@
 import { Routes } from '@angular/router';
 import { LogoutComponent } from './components/logout/logout.component';
+import { NotFoundComponent } from './components/not-found/not-found.component';
 import { authGuard } from './guards/auth.guard';
+import { ListingCategoryGuard } from './guards/listing-category.guard';
 import { DetailsBusinessListingComponent } from './pages/details/details-business-listing/details-business-listing.component';
 import { DetailsCommercialPropertyListingComponent } from './pages/details/details-commercial-property-listing/details-commercial-property-listing.component';
 import { DetailsUserComponent } from './pages/details/details-user/details-user.component';
@@ -46,6 +48,11 @@ export const routes: Routes = [
     path: 'details-commercial-property-listing/:id',
     component: DetailsCommercialPropertyListingComponent,
   },
+  {
+    path: 'listing/:id',
+    canActivate: [ListingCategoryGuard],
+    component: NotFoundComponent, // Dummy-Komponente, wird nie angezeigt, da der Guard weiterleitet
+  },
   // #########
   // User  Details
   {