rebase codebase, delete trunk, move threads to backend

src/ui/dialogs/app_ext.py

@@ -1,8 +1,9 @@
-
 from PyQt6 import QtWidgets
 from .dialog_sources.Ui_apparat_extend import Ui_Dialog
 from src import Icon
 from src.backend import Semester
+
+
 class ApparatExtendDialog(QtWidgets.QDialog, Ui_Dialog):
     def __init__(
         self,
@@ -19,7 +20,7 @@ class ApparatExtendDialog(QtWidgets.QDialog, Ui_Dialog):
             "semester": (
                 f"SoSe {int(self.sem_year.text()[-2:])}"
                 if self.rad_sommer.isChecked()
-                else f"WiSe {int(self.sem_year.text()[-2:])}/{int(self.sem_year.text()[-2:])+1}"
+                else f"WiSe {int(self.sem_year.text()[-2:])}/{int(self.sem_year.text()[-2:]) + 1}"
             ),
             "dauerapp": (
                 self.dauerapp.isChecked() if self.dauerapp.isChecked() else False