Add mouse_clicked usage example

[Osaid2993]

Description

Splashkit Function: mouse_clicked

Overview of example functionality: This example opens a graphical window with three coloured circles. When the user left-clicks one of the circles, the program updates to show which circle was clicked and increases a total click counter. It demonstrates how mouse_clicked can be used to detect mouse clicks in a simple interactive program.

Example Output:

Files Included

• C++ code
• C# code (Top-Level statements)
• C# code (Object-Oriented Programming)
• Python code
• Relevant title for the example (.txt)
• Screenshot

Usage Example Checks (READ CAREFULLY)

• Code uses Splashkit function above
• Code does not use non-Splashkit functions
• Code does not use extra function declarations or extra classes
• Code does not violate any of the Thoth Tech SplashKit Style Guide rules
• Simple, clear demonstration of the function
• Tested in Chrome and Firefox

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[abdullah12121212]

Looks good, keep up the good work.