feat(web + backend): advanced and simple quote.

frontend/src/app/contact/contact.component.ts

@@ -0,0 +1,17 @@
+import { Component } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterLink } from '@angular/router';
+
+@Component({
+  selector: 'app-contact',
+  standalone: true,
+  imports: [CommonModule, RouterLink],
+  templateUrl: './contact.component.html',
+  styleUrls: ['./contact.component.scss']
+})
+export class ContactComponent {
+    onSubmit(event: Event) {
+        event.preventDefault();
+        alert("Thanks for your message! This is a demo form.");
+    }
+}