Implement task deletion functionality in TaskCard component

- Added context menu for task deletion with confirmation modal.
- Integrated localization for delete task prompts in multiple languages.
- Updated TaskCard to handle task deletion logic, including dispatching actions to update the state and emit socket events for task progress.

worklenz-frontend/public/locales/de/kanban-board.json

@@ -10,6 +10,11 @@
   "deleteConfirmationOk": "Ja",
   "deleteConfirmationCancel": "Abbrechen",
 
+  "deleteTaskTitle": "Aufgabe löschen",
+  "deleteTaskContent": "Sind Sie sicher, dass Sie diese Aufgabe löschen möchten? Diese Aktion kann nicht rückgängig gemacht werden.",
+  "deleteTaskConfirm": "Löschen",
+  "deleteTaskCancel": "Abbrechen",
+
   "dueDate": "Fälligkeitsdatum",
   "cancel": "Abbrechen",