Add documentation for suppressNewWindows method

Author: JulianGlueck

resources/views/docs/desktop/1/the-basics/windows.md

@@ -394,6 +394,19 @@ Window::open()
 
 This is particularly useful for always-on-top utility windows or menubar applications that should not be visible in Mission Control.
 
+#### Preventing new windows from popping up
+
+By default, Electron allows additional windows to be opened from a window that was previously opened programmatically.
+This is the case, for example, with `a` elements that have the target attribute set to `_blank` or when the user clicks on a link with the middle mouse button.
+This behaviour is potentially undesirable in a desktop application, as it enables the user to `break out` of a window.
+
+To prevent additional windows from opening, you can apply the `suppressNewWindows()` method when opening a new window.
+
+```php
+Window::open()
+    ->suppressNewWindows();
+```
+
 ## Window Title Styles
 
 ### Default Title Style