Use comfy user directory

.gitignore

@@ -1,2 +1,4 @@
 __pycache__
-notes/
+notes/
+
+.vscode/

__init__.py

@@ -11,7 +11,12 @@ NODE_DISPLAY_NAME_MAPPINGS = {}
 
 class NotesManager:
     def __init__(self):
-        self.notes_dir = os.path.join(os.path.dirname(__file__), "notes")
+        user_dir = folder_paths.get_user_directory()
+        if user_dir and os.path.isdir(user_dir):
+            self.notes_dir = os.path.join(user_dir, "default", "comfyui-notes-sidebar", "notes")
+        else:
+            self.notes_dir = os.path.join(os.path.dirname(__file__), "notes")
+
         os.makedirs(self.notes_dir, exist_ok=True)
 
     def get_notes_list(self) -> list[str]: