Add services and work on styling

frontend/src/app/shipment/shipment.service.ts

@@ -0,0 +1,18 @@
+import { inject, Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable } from 'rxjs';
+
+export interface ShipmentResponse {
+	message: string;
+}
+
+@Injectable({
+	providedIn: 'root'
+})
+export class ShipmentService {
+	private readonly http = inject(HttpClient);
+
+	trackAndTrace(): Observable<ShipmentResponse> {
+		return this.http.get<ShipmentResponse>('/rest/Shipment/v1.0/trackandtrace');
+	}
+}