basic progress toasts

ref #62

src/components/teams/TeamsOverview.svelte

@@ -50,7 +50,13 @@
             on:click={async () => {
               const locale = getLocaleFromNavigator();
               const teams = current_teams.filter((r) => r.is_selected === true);
+              const toast = Toastify({
+                text: $_('generating-pdfs'),
+                duration: -1,
+              }).showToast();
+              let count = 0;
               for await (const t of teams) {
+                count++;
                 const runners = await RunnerTeamService.runnerTeamControllerGetRunners(t.id);
                 fetch(
                   `https://dev.lauf-fuer-kaya.de/documents/contracts?locale=${locale}&download=true&key=${config.documentserver_key}`,
@@ -71,6 +77,15 @@
                     document.body.appendChild(a);
                     a.click();
                     a.remove();
+                    if (count === teams.length) {
+                      toast.hideToast();
+                      Toastify({
+                        text: $_('pdfs-successfully-generated'),
+                        duration: 3500,
+                        backgroundColor:
+                          'linear-gradient(to right, #00b09b, #96c93d)',
+                      }).showToast();
+                    }
                   })
                   .catch((err) => {});
               }