history service, mail template improved, general listing entry

bizmatch/src/app/components/not-found/not-found.component.html

@@ -0,0 +1 @@
+<p>not-found works!</p>

bizmatch/src/app/components/not-found/not-found.component.ts

@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-not-found',
+  standalone: true,
+  template: '<h2>Page not found</h2>',
+})
+export class NotFoundComponent {}