Add sys.path modification to support module imports

- Append src directory to Python module search path
- Ensure proper module resolution for local imports
- Improve project structure import handling

src/ui/main_window.py

@@ -1,6 +1,12 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
+import sys
+import os
+
+# Добавляем директорию src в путь поиска модулей
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
 import tkinter as tk
 from tkinter import ttk, messagebox
 from typing import Optional, Dict, Any