Map accountOverview to / so it acts as landing page

src/main/java/de/financer/controller/AccountController.java

@@ -25,7 +25,7 @@ public class AccountController {
     @Autowired
     private FinancerConfig financerConfig;
 
-    @GetMapping("/accountOverview")
+    @GetMapping({"/", "/accountOverview"})
     public String accountOverview(String showClosed, Model model) {
         final ResponseEntity<Iterable<Account>> response = new GetAllAccountsTemplate().exchange(this.financerConfig);
         final ResponseEntity<Iterable<RecurringTransaction>> rtDtRes = new GetAllRecurringTransactionsDueTodayTemplate()