budget mockup, account settings & transactions filter

lib/repositories/metadata/metadata_repository.dart

@@ -24,6 +24,10 @@ class MetadataRepository {
     return _budgetController.asBroadcastStream();
   }
 
+  List<Account> getAccounts() {
+    return _accountController.value;
+  }
+
   Stream<List<Account>> getAccountsStream() {
     return _accountController.asBroadcastStream();
   }