update documentation, rework documentation thread, rework book dataclass, fix newentry bug

src/logic/documentation_thread.py

@@ -1,10 +1,10 @@
 from PyQt6.QtCore import QThread, pyqtSignal
-from src.utils import launch_documentation
-
+from src.utils.documentation import run_mkdocs
 
 class DocumentationThread(QThread):
     def __init__(self):
         super().__init__()
 
     def run(self):
-        launch_documentation()
+        # launch_documentation()
+        run_mkdocs()