🎉 Add pixpin

[finscn]

🪩 Provide a link to the proposed addition

https://pixpin.com/

😳 Explain why it should be added

It's a freeware to Capture screen and pin the image on the screen.
And It includes some useful tools for editing .

It's like Snipaste , but better in my opinion

📖 Additional context

No response

🧨 Issue Checklist

• I have checked for other similar issues
• I have explained why this change is important
• I have added necessary documentation (if appropriate)