How to add background image in brave

I want to upload some of my images into Brave background images and if you would help me guiding for that, it will be very greatful

Post this on GitHub because it is uncertain if you will get help here or not.

Please check this article → https://support.brave.com/hc/en-us/articles/360020844371-How-do-I-submit-photos-for-consideration-on-the-New-Tab-Page-