rebase codebase, delete trunk, move threads to backend

src/logic/__init__.py

@@ -1,12 +1,6 @@
-
 from .dataclass import ApparatData, BookData, Prof, Apparat, ELSA
-from .thread_bookgrabber import BookGrabber
-from .threads_autoadder import AutoAdder
-from .threads_availchecker import AvailChecker
 from .c_sort import custom_sort, sort_semesters_list
 from .constants import APP_NRS, PROF_TITLES, SEMAP_MEDIA_ACCOUNTS
 from .csvparser import csv_to_list
 from .wordparser import elsa_word_to_csv, word_docx_to_csv
 from .zotero import ZoteroController
-
-