[sciter]: encapsulate the notification bar component based on sciter

# function

• Regularly close the information of a notice in the notice bar
• Manually close the information of a notice in the notice bar
• Click to get the information of a notice in the notice column

# principle

Scheme 1 ： The original idea was to create a notification every time it was created window window , But the test found that ：

• After packing , Every time you create a notification , The application will show a window again in the taskbar
• And when the main window is minimized , Other windows will also appear minimized
• Every time you create a window , There will be delays
• CPU High proportion

Key code ：

window = new Window({ 
    
  url: __DIR__ + "./index.htm",