- methods from class MainWindow move to class FrameWidgets for active color_label when theme change

- optimize columnconfigure, rowconfigure in class MainWindow and FrameWidgets
- add new Frame for Widgets on Bottom
- optimize from tkinter * to from tkinter import filedialog, ttk, TclError

wg_func.py

@@ -264,7 +264,4 @@ class Tunnel:
                 else:
                     return True
 
-tips = Tunnel.if_tip()
-
-
-
+tips = Tunnel.if_tip()