refactored broad range of the application, split files, modularized calendar and file views, centralized bottom sheets and clipboard handling, and implemented unit test coverage

lib/state/app/infrastructure/loadable_state/bloc/loadable_state_bloc.dart

@@ -3,8 +3,8 @@ import 'dart:async';
 import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:jiffy/jiffy.dart';
 
+import '../../../../../extensions/date_time.dart';
 import 'loadable_state_event.dart';
 import 'loadable_state_state.dart';
 
@@ -73,7 +73,7 @@ class LoadableStateBloc extends Bloc<LoadableStateEvent, LoadableStateState>
   String connectionText({int? lastUpdated}) => connectivityStatusKnown()
       ? isConnected()
         ? 'Verbindung fehlgeschlagen'
-        : 'Offline${lastUpdated == null ? '' : ' - Stand von ${Jiffy.parseFromMillisecondsSinceEpoch(lastUpdated).fromNow()}'}'
+        : 'Offline${lastUpdated == null ? '' : ' - Stand von ${DateTime.fromMillisecondsSinceEpoch(lastUpdated).formatRelative()}'}'
       : 'Unbekannte Fehlerursache';
 
   @override