feat(localization): add and update translations for multiple languages

- Introduced new localization files for Albanian, German, Spanish, Portuguese, and Chinese, enhancing the application's multilingual support.
- Added new keys and updated existing translations in project-view, task-list-table, and settings files to improve user experience across different languages.
- Enhanced error handling and empty state messages in task management components to provide clearer feedback to users.
- Updated tooltip texts and button labels for better clarity and consistency in the user interface.

worklenz-frontend/public/locales/de/task-list-table.json

@@ -68,6 +68,13 @@
   "dueDatePlaceholder": "Fälligkeitsdatum",
   "startDatePlaceholder": "Startdatum",
 
+  "emptyStates": {
+    "noTaskGroups": "Keine Aufgabengruppen gefunden",
+    "noTaskGroupsDescription": "Aufgaben werden hier angezeigt, wenn sie erstellt oder Filter angewendet werden.",
+    "errorPrefix": "Fehler:",
+    "dragTaskFallback": "Aufgabe"
+  },
+
   "customColumns": {
     "addCustomColumn": "Benutzerdefinierte Spalte hinzufügen",
     "customColumnHeader": "Benutzerdefinierte Spalte",