Ajout du cache sur les appels pour les stats

Et appel à l'API sur l'affichage de l'onglet

Front/skydivelogs-app/src/services/base.service.ts

@@ -1,12 +1,12 @@
 import { HttpHeaders } from '@angular/common/http';
 
 import { ConfigurationHelper } from './configuration-helper';
-import { ServiceRefData } from './service-ref-data.service';
+import { ServiceCacheApi } from './service-cache-api.service';
 
 export class BaseService {
     protected headers: HttpHeaders;
     protected apiUrl: string;
-    protected serviceRefData : ServiceRefData;
+    protected serviceCacheApi : ServiceCacheApi;
 
     constructor() {
         ConfigurationHelper.settings.subscribe(settings => 
@@ -21,6 +21,6 @@ export class BaseService {
             }
         });
 
-        this.serviceRefData = new ServiceRefData();
+        this.serviceCacheApi = new ServiceCacheApi();
     }
 }