Add shows api service

src/shows/shows-api.service.ts

@@ -0,0 +1,22 @@
+import {inject, Injectable} from '@angular/core';
+import {HttpClient} from '@angular/common/http';
+import {Observable} from 'rxjs';
+import {ShowsApiResponse} from './shows-api';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class ShowsApiService {
+
+  private readonly url: string = "https://shows.everest.tailscale/api/";
+  private showsEndpoint: string
+  private http: HttpClient = inject(HttpClient);
+
+  constructor() {
+    this.showsEndpoint = this.url + "shows/"
+  }
+
+  getShows(): Observable<ShowsApiResponse> {
+    return this.http.get<ShowsApiResponse>(this.showsEndpoint)
+  }
+}